21979920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91583}}^1$

素因数の和:91599

約数の個数: 40

約数和(自身を含む): 68138496

約数和(自身を除く): 46158576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91583, 183166, 274749, 366332, 457915, 549498, 732664, 915830, 1098996, 1373745, 1465328, 1831660, 2197992, 2747490, 3663320, 4395984, 5494980, 7326640, 10989960, 21979920]

約数ペア:

[(1, 21979920), (2, 10989960), (3, 7326640), (4, 5494980), (5, 4395984), (6, 3663320), (8, 2747490), (10, 2197992), (12, 1831660), (15, 1465328), (16, 1373745), (20, 1098996), (24, 915830), (30, 732664), (40, 549498), (48, 457915), (60, 366332), (80, 274749), (120, 183166), (240, 91583)]