21360312

素因数分解:

$2^3\times 3^2\times {\mathrm{241}}^1\times {\mathrm{1231}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 58138080

約数和(自身を除く): 36777768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 241, 482, 723, 964, 1231, 1446, 1928, 2169, 2462, 2892, 3693, 4338, 4924, 5784, 7386, 8676, 9848, 11079, 14772, 17352, 22158, 29544, 44316, 88632, 296671, 593342, 890013, 1186684, 1780026, 2373368, 2670039, 3560052, 5340078, 7120104, 10680156, 21360312]

約数ペア:

[(1, 21360312), (2, 10680156), (3, 7120104), (4, 5340078), (6, 3560052), (8, 2670039), (9, 2373368), (12, 1780026), (18, 1186684), (24, 890013), (36, 593342), (72, 296671), (241, 88632), (482, 44316), (723, 29544), (964, 22158), (1231, 17352), (1446, 14772), (1928, 11079), (2169, 9848), (2462, 8676), (2892, 7386), (3693, 5784), (4338, 4924)]