21496970844

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{148063}}^1$

素因数の和:148219

約数の個数: 72

約数和(自身を含む): 56320584320

約数和(自身を除く): 34823613476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 109, 111, 148, 218, 222, 327, 333, 436, 444, 654, 666, 981, 1308, 1332, 1962, 3924, 4033, 8066, 12099, 16132, 24198, 36297, 48396, 72594, 145188, 148063, 296126, 444189, 592252, 888378, 1332567, 1776756, 2665134, 5330268, 5478331, 10956662, 16138867, 16434993, 21913324, 32277734, 32869986, 48416601, 49304979, 64555468, 65739972, 96833202, 98609958, 145249803, 193666404, 197219916, 290499606, 580999212, 597138079, 1194276158, 1791414237, 2388552316, 3582828474, 5374242711, 7165656948, 10748485422, 21496970844]

約数ペア:

[(1, 21496970844), (2, 10748485422), (3, 7165656948), (4, 5374242711), (6, 3582828474), (9, 2388552316), (12, 1791414237), (18, 1194276158), (36, 597138079), (37, 580999212), (74, 290499606), (109, 197219916), (111, 193666404), (148, 145249803), (218, 98609958), (222, 96833202), (327, 65739972), (333, 64555468), (436, 49304979), (444, 48416601), (654, 32869986), (666, 32277734), (981, 21913324), (1308, 16434993), (1332, 16138867), (1962, 10956662), (3924, 5478331), (4033, 5330268), (8066, 2665134), (12099, 1776756), (16132, 1332567), (24198, 888378), (36297, 592252), (48396, 444189), (72594, 296126), (145188, 148063)]