21059604727

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 24730675200

約数和(自身を除く): 3671070473

約数列:

[1, 7, 59, 163, 307, 413, 1019, 1141, 2149, 7133, 9617, 18113, 50041, 60121, 67319, 126791, 166097, 312833, 350287, 420847, 1162679, 2189831, 2952419, 9799723, 18457147, 20666933, 50991779, 68598061, 129200029, 356942453, 3008514961, 21059604727]

約数ペア:

[(1, 21059604727), (7, 3008514961), (59, 356942453), (163, 129200029), (307, 68598061), (413, 50991779), (1019, 20666933), (1141, 18457147), (2149, 9799723), (7133, 2952419), (9617, 2189831), (18113, 1162679), (50041, 420847), (60121, 350287), (67319, 312833), (126791, 166097)]