21432472

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 41983920

約数和(自身を除く): 20551448

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1187, 2257, 2374, 4514, 4748, 9028, 9496, 18056, 43919, 72407, 87838, 144814, 175676, 289628, 351352, 579256, 2679059, 5358118, 10716236, 21432472]

約数ペア:

[(1, 21432472), (2, 10716236), (4, 5358118), (8, 2679059), (37, 579256), (61, 351352), (74, 289628), (122, 175676), (148, 144814), (244, 87838), (296, 72407), (488, 43919), (1187, 18056), (2257, 9496), (2374, 9028), (4514, 4748)]