21986700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 64454208

約数和(自身を除く): 42467508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 830, 883, 996, 1245, 1660, 1766, 2075, 2490, 2649, 3532, 4150, 4415, 4980, 5298, 6225, 8300, 8830, 10596, 12450, 13245, 17660, 22075, 24900, 26490, 44150, 52980, 66225, 73289, 88300, 132450, 146578, 219867, 264900, 293156, 366445, 439734, 732890, 879468, 1099335, 1465780, 1832225, 2198670, 3664450, 4397340, 5496675, 7328900, 10993350, 21986700]

約数ペア:

[(1, 21986700), (2, 10993350), (3, 7328900), (4, 5496675), (5, 4397340), (6, 3664450), (10, 2198670), (12, 1832225), (15, 1465780), (20, 1099335), (25, 879468), (30, 732890), (50, 439734), (60, 366445), (75, 293156), (83, 264900), (100, 219867), (150, 146578), (166, 132450), (249, 88300), (300, 73289), (332, 66225), (415, 52980), (498, 44150), (830, 26490), (883, 24900), (996, 22075), (1245, 17660), (1660, 13245), (1766, 12450), (2075, 10596), (2490, 8830), (2649, 8300), (3532, 6225), (4150, 5298), (4415, 4980)]