21783824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 22999024

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1147, 1187, 2294, 2374, 4588, 4748, 9176, 9496, 18352, 18992, 36797, 43919, 73594, 87838, 147188, 175676, 294376, 351352, 588752, 702704, 1361489, 2722978, 5445956, 10891912, 21783824]

約数ペア:

[(1, 21783824), (2, 10891912), (4, 5445956), (8, 2722978), (16, 1361489), (31, 702704), (37, 588752), (62, 351352), (74, 294376), (124, 175676), (148, 147188), (248, 87838), (296, 73594), (496, 43919), (592, 36797), (1147, 18992), (1187, 18352), (2294, 9496), (2374, 9176), (4588, 4748)]