21167797736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{17707}}^1$

素因数の和:17898

約数の個数: 64

約数和(自身を含む): 42456700800

約数和(自身を除く): 21288903064

約数列:

[1, 2, 4, 8, 23, 46, 73, 89, 92, 146, 178, 184, 292, 356, 584, 712, 1679, 2047, 3358, 4094, 6497, 6716, 8188, 12994, 13432, 16376, 17707, 25988, 35414, 51976, 70828, 141656, 149431, 298862, 407261, 597724, 814522, 1195448, 1292611, 1575923, 1629044, 2585222, 3151846, 3258088, 5170444, 6303692, 10340888, 12607384, 29730053, 36246229, 59460106, 72492458, 115042379, 118920212, 144984916, 230084758, 237840424, 289969832, 460169516, 920339032, 2645974717, 5291949434, 10583898868, 21167797736]

約数ペア:

[(1, 21167797736), (2, 10583898868), (4, 5291949434), (8, 2645974717), (23, 920339032), (46, 460169516), (73, 289969832), (89, 237840424), (92, 230084758), (146, 144984916), (178, 118920212), (184, 115042379), (292, 72492458), (356, 59460106), (584, 36246229), (712, 29730053), (1679, 12607384), (2047, 10340888), (3358, 6303692), (4094, 5170444), (6497, 3258088), (6716, 3151846), (8188, 2585222), (12994, 1629044), (13432, 1575923), (16376, 1292611), (17707, 1195448), (25988, 814522), (35414, 597724), (51976, 407261), (70828, 298862), (141656, 149431)]