21531114

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:2995

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 30753846

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2939, 3663, 5878, 7326, 8817, 17634, 26451, 32329, 52902, 64658, 96987, 108743, 193974, 217486, 290961, 326229, 581922, 652458, 978687, 1196173, 1957374, 2392346, 3588519, 7177038, 10765557, 21531114]

約数ペア:

[(1, 21531114), (2, 10765557), (3, 7177038), (6, 3588519), (9, 2392346), (11, 1957374), (18, 1196173), (22, 978687), (33, 652458), (37, 581922), (66, 326229), (74, 290961), (99, 217486), (111, 193974), (198, 108743), (222, 96987), (333, 64658), (407, 52902), (666, 32329), (814, 26451), (1221, 17634), (2442, 8817), (2939, 7326), (3663, 5878)]