21319116

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2823

約数の個数: 72

約数和(自身を含む): 62339760

約数和(自身を除く): 41020644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2789, 3822, 5578, 7644, 8367, 11156, 16734, 19523, 33468, 36257, 39046, 58569, 72514, 78092, 108771, 117138, 136661, 145028, 217542, 234276, 253799, 273322, 409983, 435084, 507598, 546644, 761397, 819966, 1015196, 1522794, 1639932, 1776593, 3045588, 3553186, 5329779, 7106372, 10659558, 21319116]

約数ペア:

[(1, 21319116), (2, 10659558), (3, 7106372), (4, 5329779), (6, 3553186), (7, 3045588), (12, 1776593), (13, 1639932), (14, 1522794), (21, 1015196), (26, 819966), (28, 761397), (39, 546644), (42, 507598), (49, 435084), (52, 409983), (78, 273322), (84, 253799), (91, 234276), (98, 217542), (147, 145028), (156, 136661), (182, 117138), (196, 108771), (273, 78092), (294, 72514), (364, 58569), (546, 39046), (588, 36257), (637, 33468), (1092, 19523), (1274, 16734), (1911, 11156), (2548, 8367), (2789, 7644), (3822, 5578)]