21000742056

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{17891}}^1$

素因数の和:18064

約数の個数: 192

約数和(自身を含む): 69332215680

約数和(自身を除く): 48331473624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 137, 153, 168, 204, 238, 252, 274, 306, 357, 408, 411, 476, 504, 548, 612, 714, 822, 952, 959, 1071, 1096, 1224, 1233, 1428, 1644, 1918, 2142, 2329, 2466, 2856, 2877, 3288, 3836, 4284, 4658, 4932, 5754, 6987, 7672, 8568, 8631, 9316, 9864, 11508, 13974, 16303, 17262, 17891, 18632, 20961, 23016, 27948, 32606, 34524, 35782, 41922, 48909, 53673, 55896, 65212, 69048, 71564, 83844, 97818, 107346, 125237, 130424, 143128, 146727, 161019, 167688, 195636, 214692, 250474, 293454, 304147, 322038, 375711, 391272, 429384, 500948, 586908, 608294, 644076, 751422, 912441, 1001896, 1127133, 1173816, 1216588, 1288152, 1502844, 1824882, 2129029, 2254266, 2433176, 2451067, 2737323, 3005688, 3649764, 4258058, 4508532, 4902134, 5474646, 6387087, 7299528, 7353201, 8516116, 9017064, 9804268, 10949292, 12774174, 14706402, 17032232, 17157469, 19161261, 19608536, 21898584, 22059603, 25548348, 29412804, 34314938, 38322522, 41668139, 44119206, 51096696, 51472407, 58825608, 68629876, 76645044, 83336278, 88238412, 102944814, 125004417, 137259752, 153290088, 154417221, 166672556, 176476824, 205889628, 250008834, 291676973, 308834442, 333345112, 375013251, 411779256, 500017668, 583353946, 617668884, 750026502, 875030919, 1000035336, 1166707892, 1235337768, 1500053004, 1750061838, 2333415784, 2625092757, 3000106008, 3500123676, 5250185514, 7000247352, 10500371028, 21000742056]

約数ペア:

[(1, 21000742056), (2, 10500371028), (3, 7000247352), (4, 5250185514), (6, 3500123676), (7, 3000106008), (8, 2625092757), (9, 2333415784), (12, 1750061838), (14, 1500053004), (17, 1235337768), (18, 1166707892), (21, 1000035336), (24, 875030919), (28, 750026502), (34, 617668884), (36, 583353946), (42, 500017668), (51, 411779256), (56, 375013251), (63, 333345112), (68, 308834442), (72, 291676973), (84, 250008834), (102, 205889628), (119, 176476824), (126, 166672556), (136, 154417221), (137, 153290088), (153, 137259752), (168, 125004417), (204, 102944814), (238, 88238412), (252, 83336278), (274, 76645044), (306, 68629876), (357, 58825608), (408, 51472407), (411, 51096696), (476, 44119206), (504, 41668139), (548, 38322522), (612, 34314938), (714, 29412804), (822, 25548348), (952, 22059603), (959, 21898584), (1071, 19608536), (1096, 19161261), (1224, 17157469), (1233, 17032232), (1428, 14706402), (1644, 12774174), (1918, 10949292), (2142, 9804268), (2329, 9017064), (2466, 8516116), (2856, 7353201), (2877, 7299528), (3288, 6387087), (3836, 5474646), (4284, 4902134), (4658, 4508532), (4932, 4258058), (5754, 3649764), (6987, 3005688), (7672, 2737323), (8568, 2451067), (8631, 2433176), (9316, 2254266), (9864, 2129029), (11508, 1824882), (13974, 1502844), (16303, 1288152), (17262, 1216588), (17891, 1173816), (18632, 1127133), (20961, 1001896), (23016, 912441), (27948, 751422), (32606, 644076), (34524, 608294), (35782, 586908), (41922, 500948), (48909, 429384), (53673, 391272), (55896, 375711), (65212, 322038), (69048, 304147), (71564, 293454), (83844, 250474), (97818, 214692), (107346, 195636), (125237, 167688), (130424, 161019), (143128, 146727)]