21056556588

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{707831}}^1$

素因数の和:707942

約数の個数: 48

約数和(自身を含む): 51213060864

約数和(自身を除く): 30156504276

約数列:

[1, 2, 3, 4, 6, 12, 37, 67, 74, 111, 134, 148, 201, 222, 268, 402, 444, 804, 2479, 4958, 7437, 9916, 14874, 29748, 707831, 1415662, 2123493, 2831324, 4246986, 8493972, 26189747, 47424677, 52379494, 78569241, 94849354, 104758988, 142274031, 157138482, 189698708, 284548062, 314276964, 569096124, 1754713049, 3509426098, 5264139147, 7018852196, 10528278294, 21056556588]

約数ペア:

[(1, 21056556588), (2, 10528278294), (3, 7018852196), (4, 5264139147), (6, 3509426098), (12, 1754713049), (37, 569096124), (67, 314276964), (74, 284548062), (111, 189698708), (134, 157138482), (148, 142274031), (201, 104758988), (222, 94849354), (268, 78569241), (402, 52379494), (444, 47424677), (804, 26189747), (2479, 8493972), (4958, 4246986), (7437, 2831324), (9916, 2123493), (14874, 1415662), (29748, 707831)]