21712050

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{1787}}^1$

素因数の和:1814

約数の個数: 72

約数和(自身を含む): 60527376

約数和(自身を除く): 38815326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 1787, 2025, 2430, 3574, 4050, 5361, 6075, 8935, 10722, 12150, 16083, 17870, 26805, 32166, 44675, 48249, 53610, 80415, 89350, 96498, 134025, 144747, 160830, 241245, 268050, 289494, 402075, 434241, 482490, 723735, 804150, 868482, 1206225, 1447470, 2171205, 2412450, 3618675, 4342410, 7237350, 10856025, 21712050]

約数ペア:

[(1, 21712050), (2, 10856025), (3, 7237350), (5, 4342410), (6, 3618675), (9, 2412450), (10, 2171205), (15, 1447470), (18, 1206225), (25, 868482), (27, 804150), (30, 723735), (45, 482490), (50, 434241), (54, 402075), (75, 289494), (81, 268050), (90, 241245), (135, 160830), (150, 144747), (162, 134025), (225, 96498), (243, 89350), (270, 80415), (405, 53610), (450, 48249), (486, 44675), (675, 32166), (810, 26805), (1215, 17870), (1350, 16083), (1787, 12150), (2025, 10722), (2430, 8935), (3574, 6075), (4050, 5361)]