21952070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 47246976

約数和(自身を除く): 25294906

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 61, 70, 97, 106, 122, 194, 265, 305, 371, 427, 485, 530, 610, 679, 742, 854, 970, 1358, 1855, 2135, 3233, 3395, 3710, 4270, 5141, 5917, 6466, 6790, 10282, 11834, 16165, 22631, 25705, 29585, 32330, 35987, 41419, 45262, 51410, 59170, 71974, 82838, 113155, 179935, 207095, 226310, 313601, 359870, 414190, 627202, 1568005, 2195207, 3136010, 4390414, 10976035, 21952070]

約数ペア:

[(1, 21952070), (2, 10976035), (5, 4390414), (7, 3136010), (10, 2195207), (14, 1568005), (35, 627202), (53, 414190), (61, 359870), (70, 313601), (97, 226310), (106, 207095), (122, 179935), (194, 113155), (265, 82838), (305, 71974), (371, 59170), (427, 51410), (485, 45262), (530, 41419), (610, 35987), (679, 32330), (742, 29585), (854, 25705), (970, 22631), (1358, 16165), (1855, 11834), (2135, 10282), (3233, 6790), (3395, 6466), (3710, 5917), (4270, 5141)]