21594564

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 58138080

約数和(自身を除く): 36543516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 228, 241, 262, 342, 393, 482, 524, 684, 723, 786, 964, 1179, 1446, 1572, 2169, 2358, 2489, 2892, 4338, 4579, 4716, 4978, 7467, 8676, 9158, 9956, 13737, 14934, 18316, 22401, 27474, 29868, 31571, 41211, 44802, 54948, 63142, 82422, 89604, 94713, 126284, 164844, 189426, 284139, 378852, 568278, 599849, 1136556, 1199698, 1799547, 2399396, 3599094, 5398641, 7198188, 10797282, 21594564]

約数ペア:

[(1, 21594564), (2, 10797282), (3, 7198188), (4, 5398641), (6, 3599094), (9, 2399396), (12, 1799547), (18, 1199698), (19, 1136556), (36, 599849), (38, 568278), (57, 378852), (76, 284139), (114, 189426), (131, 164844), (171, 126284), (228, 94713), (241, 89604), (262, 82422), (342, 63142), (393, 54948), (482, 44802), (524, 41211), (684, 31571), (723, 29868), (786, 27474), (964, 22401), (1179, 18316), (1446, 14934), (1572, 13737), (2169, 9956), (2358, 9158), (2489, 8676), (2892, 7467), (4338, 4978), (4579, 4716)]