21298736

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1929

約数の個数: 40

約数和(自身を含む): 44473344

約数和(自身を除く): 23174608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1867, 2852, 3734, 5704, 7468, 11408, 14936, 29872, 42941, 57877, 85882, 115754, 171764, 231508, 343528, 463016, 687056, 926032, 1331171, 2662342, 5324684, 10649368, 21298736]

約数ペア:

[(1, 21298736), (2, 10649368), (4, 5324684), (8, 2662342), (16, 1331171), (23, 926032), (31, 687056), (46, 463016), (62, 343528), (92, 231508), (124, 171764), (184, 115754), (248, 85882), (368, 57877), (496, 42941), (713, 29872), (1426, 14936), (1867, 11408), (2852, 7468), (3734, 5704)]