21812076

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 68490240

約数和(自身を除く): 46678164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 33, 36, 38, 39, 44, 52, 57, 66, 76, 78, 99, 114, 117, 132, 143, 156, 171, 198, 209, 223, 228, 234, 247, 286, 342, 396, 418, 429, 446, 468, 494, 572, 627, 669, 684, 741, 836, 858, 892, 988, 1254, 1287, 1338, 1482, 1716, 1881, 2007, 2223, 2453, 2508, 2574, 2676, 2717, 2899, 2964, 3762, 4014, 4237, 4446, 4906, 5148, 5434, 5798, 7359, 7524, 8028, 8151, 8474, 8697, 8892, 9812, 10868, 11596, 12711, 14718, 16302, 16948, 17394, 22077, 24453, 25422, 26091, 29436, 31889, 32604, 34788, 38133, 44154, 46607, 48906, 50844, 52182, 55081, 63778, 76266, 88308, 93214, 95667, 97812, 104364, 110162, 127556, 139821, 152532, 165243, 186428, 191334, 220324, 279642, 287001, 330486, 382668, 419463, 495729, 559284, 574002, 605891, 660972, 838926, 991458, 1148004, 1211782, 1677852, 1817673, 1982916, 2423564, 3635346, 5453019, 7270692, 10906038, 21812076]

約数ペア:

[(1, 21812076), (2, 10906038), (3, 7270692), (4, 5453019), (6, 3635346), (9, 2423564), (11, 1982916), (12, 1817673), (13, 1677852), (18, 1211782), (19, 1148004), (22, 991458), (26, 838926), (33, 660972), (36, 605891), (38, 574002), (39, 559284), (44, 495729), (52, 419463), (57, 382668), (66, 330486), (76, 287001), (78, 279642), (99, 220324), (114, 191334), (117, 186428), (132, 165243), (143, 152532), (156, 139821), (171, 127556), (198, 110162), (209, 104364), (223, 97812), (228, 95667), (234, 93214), (247, 88308), (286, 76266), (342, 63778), (396, 55081), (418, 52182), (429, 50844), (446, 48906), (468, 46607), (494, 44154), (572, 38133), (627, 34788), (669, 32604), (684, 31889), (741, 29436), (836, 26091), (858, 25422), (892, 24453), (988, 22077), (1254, 17394), (1287, 16948), (1338, 16302), (1482, 14718), (1716, 12711), (1881, 11596), (2007, 10868), (2223, 9812), (2453, 8892), (2508, 8697), (2574, 8474), (2676, 8151), (2717, 8028), (2899, 7524), (2964, 7359), (3762, 5798), (4014, 5434), (4237, 5148), (4446, 4906)]