21367830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 56775168

約数和(自身を除く): 35407338

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 887, 1095, 1606, 1774, 2190, 2409, 2661, 4015, 4435, 4818, 5322, 8030, 8870, 9757, 12045, 13305, 19514, 24090, 26610, 29271, 48785, 58542, 64751, 97570, 129502, 146355, 194253, 292710, 323755, 388506, 647510, 712261, 971265, 1424522, 1942530, 2136783, 3561305, 4273566, 7122610, 10683915, 21367830]

約数ペア:

[(1, 21367830), (2, 10683915), (3, 7122610), (5, 4273566), (6, 3561305), (10, 2136783), (11, 1942530), (15, 1424522), (22, 971265), (30, 712261), (33, 647510), (55, 388506), (66, 323755), (73, 292710), (110, 194253), (146, 146355), (165, 129502), (219, 97570), (330, 64751), (365, 58542), (438, 48785), (730, 29271), (803, 26610), (887, 24090), (1095, 19514), (1606, 13305), (1774, 12045), (2190, 9757), (2409, 8870), (2661, 8030), (4015, 5322), (4435, 4818)]