21056556564

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{241}}^1\times {\mathrm{23563}}^1$

素因数の和:23917

約数の個数: 72

約数和(自身を含む): 53968346432

約数和(自身を除く): 32911789868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 241, 309, 412, 482, 618, 723, 927, 964, 1236, 1446, 1854, 2169, 2892, 3708, 4338, 8676, 23563, 24823, 47126, 49646, 70689, 74469, 94252, 99292, 141378, 148938, 212067, 223407, 282756, 297876, 424134, 446814, 848268, 893628, 2426989, 4853978, 5678683, 7280967, 9707956, 11357366, 14561934, 17036049, 21842901, 22714732, 29123868, 34072098, 43685802, 51108147, 68144196, 87371604, 102216294, 204432588, 584904349, 1169808698, 1754713047, 2339617396, 3509426094, 5264139141, 7018852188, 10528278282, 21056556564]

約数ペア:

[(1, 21056556564), (2, 10528278282), (3, 7018852188), (4, 5264139141), (6, 3509426094), (9, 2339617396), (12, 1754713047), (18, 1169808698), (36, 584904349), (103, 204432588), (206, 102216294), (241, 87371604), (309, 68144196), (412, 51108147), (482, 43685802), (618, 34072098), (723, 29123868), (927, 22714732), (964, 21842901), (1236, 17036049), (1446, 14561934), (1854, 11357366), (2169, 9707956), (2892, 7280967), (3708, 5678683), (4338, 4853978), (8676, 2426989), (23563, 893628), (24823, 848268), (47126, 446814), (49646, 424134), (70689, 297876), (74469, 282756), (94252, 223407), (99292, 212067), (141378, 148938)]