21795124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 43218000

約数和(自身を除く): 21422876

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 97, 116, 149, 194, 298, 377, 388, 596, 754, 1261, 1508, 1937, 2522, 2813, 3874, 4321, 5044, 5626, 7748, 8642, 11252, 14453, 17284, 28906, 36569, 56173, 57812, 73138, 112346, 146276, 187889, 224692, 375778, 419137, 751556, 838274, 1676548, 5448781, 10897562, 21795124]

約数ペア:

[(1, 21795124), (2, 10897562), (4, 5448781), (13, 1676548), (26, 838274), (29, 751556), (52, 419137), (58, 375778), (97, 224692), (116, 187889), (149, 146276), (194, 112346), (298, 73138), (377, 57812), (388, 56173), (596, 36569), (754, 28906), (1261, 17284), (1508, 14453), (1937, 11252), (2522, 8642), (2813, 7748), (3874, 5626), (4321, 5044)]