21599600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4909}}^1$

素因数の和:4938

約数の個数: 60

約数和(自身を含む): 56622120

約数和(自身を除く): 35022520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4909, 9818, 19636, 24545, 39272, 49090, 53999, 78544, 98180, 107998, 122725, 196360, 215996, 245450, 269995, 392720, 431992, 490900, 539990, 863984, 981800, 1079980, 1349975, 1963600, 2159960, 2699950, 4319920, 5399900, 10799800, 21599600]

約数ペア:

[(1, 21599600), (2, 10799800), (4, 5399900), (5, 4319920), (8, 2699950), (10, 2159960), (11, 1963600), (16, 1349975), (20, 1079980), (22, 981800), (25, 863984), (40, 539990), (44, 490900), (50, 431992), (55, 392720), (80, 269995), (88, 245450), (100, 215996), (110, 196360), (176, 122725), (200, 107998), (220, 98180), (275, 78544), (400, 53999), (440, 49090), (550, 39272), (880, 24545), (1100, 19636), (2200, 9818), (4400, 4909)]