21553584

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2657}}^1$

素因数の和:2694

約数の個数: 60

約数和(自身を含む): 60315336

約数和(自身を除く): 38761752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2657, 2704, 4056, 5314, 7971, 8112, 10628, 15942, 21256, 31884, 34541, 42512, 63768, 69082, 103623, 127536, 138164, 207246, 276328, 414492, 449033, 552656, 828984, 898066, 1347099, 1657968, 1796132, 2694198, 3592264, 5388396, 7184528, 10776792, 21553584]

約数ペア:

[(1, 21553584), (2, 10776792), (3, 7184528), (4, 5388396), (6, 3592264), (8, 2694198), (12, 1796132), (13, 1657968), (16, 1347099), (24, 898066), (26, 828984), (39, 552656), (48, 449033), (52, 414492), (78, 276328), (104, 207246), (156, 138164), (169, 127536), (208, 103623), (312, 69082), (338, 63768), (507, 42512), (624, 34541), (676, 31884), (1014, 21256), (1352, 15942), (2028, 10628), (2657, 8112), (2704, 7971), (4056, 5314)]