21435756

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 53437440

約数和(自身を除く): 32001684

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 348, 372, 899, 1798, 1987, 2697, 3596, 3974, 5394, 5961, 7948, 10788, 11922, 23844, 57623, 61597, 115246, 123194, 172869, 184791, 230492, 246388, 345738, 369582, 691476, 739164, 1786313, 3572626, 5358939, 7145252, 10717878, 21435756]

約数ペア:

[(1, 21435756), (2, 10717878), (3, 7145252), (4, 5358939), (6, 3572626), (12, 1786313), (29, 739164), (31, 691476), (58, 369582), (62, 345738), (87, 246388), (93, 230492), (116, 184791), (124, 172869), (174, 123194), (186, 115246), (348, 61597), (372, 57623), (899, 23844), (1798, 11922), (1987, 10788), (2697, 7948), (3596, 5961), (3974, 5394)]