21867924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 56814912

約数和(自身を除く): 34946988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 169, 246, 263, 338, 492, 507, 526, 533, 676, 789, 1014, 1052, 1066, 1578, 1599, 2028, 2132, 3156, 3198, 3419, 6396, 6838, 6929, 10257, 10783, 13676, 13858, 20514, 20787, 21566, 27716, 32349, 41028, 41574, 43132, 44447, 64698, 83148, 88894, 129396, 133341, 140179, 177788, 266682, 280358, 420537, 533364, 560716, 841074, 1682148, 1822327, 3644654, 5466981, 7289308, 10933962, 21867924]

約数ペア:

[(1, 21867924), (2, 10933962), (3, 7289308), (4, 5466981), (6, 3644654), (12, 1822327), (13, 1682148), (26, 841074), (39, 560716), (41, 533364), (52, 420537), (78, 280358), (82, 266682), (123, 177788), (156, 140179), (164, 133341), (169, 129396), (246, 88894), (263, 83148), (338, 64698), (492, 44447), (507, 43132), (526, 41574), (533, 41028), (676, 32349), (789, 27716), (1014, 21566), (1052, 20787), (1066, 20514), (1578, 13858), (1599, 13676), (2028, 10783), (2132, 10257), (3156, 6929), (3198, 6838), (3419, 6396)]