21801456

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1499}}^1$

素因数の和:1614

約数の個数: 60

約数和(自身を含む): 61659000

約数和(自身を除く): 39857544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1499, 1616, 1818, 2424, 2998, 3636, 4497, 4848, 5996, 7272, 8994, 11992, 13491, 14544, 17988, 23984, 26982, 35976, 53964, 71952, 107928, 151399, 215856, 302798, 454197, 605596, 908394, 1211192, 1362591, 1816788, 2422384, 2725182, 3633576, 5450364, 7267152, 10900728, 21801456]

約数ペア:

[(1, 21801456), (2, 10900728), (3, 7267152), (4, 5450364), (6, 3633576), (8, 2725182), (9, 2422384), (12, 1816788), (16, 1362591), (18, 1211192), (24, 908394), (36, 605596), (48, 454197), (72, 302798), (101, 215856), (144, 151399), (202, 107928), (303, 71952), (404, 53964), (606, 35976), (808, 26982), (909, 23984), (1212, 17988), (1499, 14544), (1616, 13491), (1818, 11992), (2424, 8994), (2998, 7272), (3636, 5996), (4497, 4848)]