21475992

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 55756800

約数和(自身を除く): 34280808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 79, 94, 141, 158, 188, 237, 241, 282, 316, 376, 474, 482, 564, 632, 723, 948, 964, 1128, 1446, 1896, 1928, 2892, 3713, 5784, 7426, 11139, 11327, 14852, 19039, 22278, 22654, 29704, 33981, 38078, 44556, 45308, 57117, 67962, 76156, 89112, 90616, 114234, 135924, 152312, 228468, 271848, 456936, 894833, 1789666, 2684499, 3579332, 5368998, 7158664, 10737996, 21475992]

約数ペア:

[(1, 21475992), (2, 10737996), (3, 7158664), (4, 5368998), (6, 3579332), (8, 2684499), (12, 1789666), (24, 894833), (47, 456936), (79, 271848), (94, 228468), (141, 152312), (158, 135924), (188, 114234), (237, 90616), (241, 89112), (282, 76156), (316, 67962), (376, 57117), (474, 45308), (482, 44556), (564, 38078), (632, 33981), (723, 29704), (948, 22654), (964, 22278), (1128, 19039), (1446, 14852), (1896, 11327), (1928, 11139), (2892, 7426), (3713, 5784)]