21225576

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 34807704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 62, 93, 94, 124, 141, 186, 188, 248, 282, 372, 376, 564, 607, 744, 1128, 1214, 1457, 1821, 2428, 2914, 3642, 4371, 4856, 5828, 7284, 8742, 11656, 14568, 17484, 18817, 28529, 34968, 37634, 56451, 57058, 75268, 85587, 112902, 114116, 150536, 171174, 225804, 228232, 342348, 451608, 684696, 884399, 1768798, 2653197, 3537596, 5306394, 7075192, 10612788, 21225576]

約数ペア:

[(1, 21225576), (2, 10612788), (3, 7075192), (4, 5306394), (6, 3537596), (8, 2653197), (12, 1768798), (24, 884399), (31, 684696), (47, 451608), (62, 342348), (93, 228232), (94, 225804), (124, 171174), (141, 150536), (186, 114116), (188, 112902), (248, 85587), (282, 75268), (372, 57058), (376, 56451), (564, 37634), (607, 34968), (744, 28529), (1128, 18817), (1214, 17484), (1457, 14568), (1821, 11656), (2428, 8742), (2914, 7284), (3642, 5828), (4371, 4856)]