21622920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16381}}^1$

素因数の和:16406

約数の個数: 64

約数和(自身を含む): 70770240

約数和(自身を除く): 49147320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16381, 32762, 49143, 65524, 81905, 98286, 131048, 163810, 180191, 196572, 245715, 327620, 360382, 393144, 491430, 540573, 655240, 720764, 900955, 982860, 1081146, 1441528, 1801910, 1965720, 2162292, 2702865, 3603820, 4324584, 5405730, 7207640, 10811460, 21622920]

約数ペア:

[(1, 21622920), (2, 10811460), (3, 7207640), (4, 5405730), (5, 4324584), (6, 3603820), (8, 2702865), (10, 2162292), (11, 1965720), (12, 1801910), (15, 1441528), (20, 1081146), (22, 982860), (24, 900955), (30, 720764), (33, 655240), (40, 540573), (44, 491430), (55, 393144), (60, 360382), (66, 327620), (88, 245715), (110, 196572), (120, 180191), (132, 163810), (165, 131048), (220, 98286), (264, 81905), (330, 65524), (440, 49143), (660, 32762), (1320, 16381)]