21491609916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113159}}^1$

素因数の和:113216

約数の個数: 144

約数和(自身を含む): 65017209600

約数和(自身を除く): 43525599684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 49, 51, 57, 68, 76, 84, 98, 102, 114, 119, 133, 147, 196, 204, 228, 238, 266, 294, 323, 357, 399, 476, 532, 588, 646, 714, 798, 833, 931, 969, 1292, 1428, 1596, 1666, 1862, 1938, 2261, 2499, 2793, 3332, 3724, 3876, 4522, 4998, 5586, 6783, 9044, 9996, 11172, 13566, 15827, 27132, 31654, 47481, 63308, 94962, 113159, 189924, 226318, 339477, 452636, 678954, 792113, 1357908, 1584226, 1923703, 2150021, 2376339, 3168452, 3847406, 4300042, 4752678, 5544791, 5771109, 6450063, 7694812, 8600084, 9505356, 11089582, 11542218, 12900126, 13465921, 15050147, 16634373, 22179164, 23084436, 25800252, 26931842, 30100294, 33268746, 36550357, 40397763, 45150441, 53863684, 60200588, 66537492, 73100714, 80795526, 90300882, 94261447, 105351029, 109651071, 146201428, 161591052, 180601764, 188522894, 210702058, 219302142, 255852499, 282784341, 316053087, 377045788, 421404116, 438604284, 511704998, 565568682, 632106174, 767557497, 1023409996, 1131137364, 1264212348, 1535114994, 1790967493, 3070229988, 3581934986, 5372902479, 7163869972, 10745804958, 21491609916]

約数ペア:

[(1, 21491609916), (2, 10745804958), (3, 7163869972), (4, 5372902479), (6, 3581934986), (7, 3070229988), (12, 1790967493), (14, 1535114994), (17, 1264212348), (19, 1131137364), (21, 1023409996), (28, 767557497), (34, 632106174), (38, 565568682), (42, 511704998), (49, 438604284), (51, 421404116), (57, 377045788), (68, 316053087), (76, 282784341), (84, 255852499), (98, 219302142), (102, 210702058), (114, 188522894), (119, 180601764), (133, 161591052), (147, 146201428), (196, 109651071), (204, 105351029), (228, 94261447), (238, 90300882), (266, 80795526), (294, 73100714), (323, 66537492), (357, 60200588), (399, 53863684), (476, 45150441), (532, 40397763), (588, 36550357), (646, 33268746), (714, 30100294), (798, 26931842), (833, 25800252), (931, 23084436), (969, 22179164), (1292, 16634373), (1428, 15050147), (1596, 13465921), (1666, 12900126), (1862, 11542218), (1938, 11089582), (2261, 9505356), (2499, 8600084), (2793, 7694812), (3332, 6450063), (3724, 5771109), (3876, 5544791), (4522, 4752678), (4998, 4300042), (5586, 3847406), (6783, 3168452), (9044, 2376339), (9996, 2150021), (11172, 1923703), (13566, 1584226), (15827, 1357908), (27132, 792113), (31654, 678954), (47481, 452636), (63308, 339477), (94962, 226318), (113159, 189924)]