21636270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{773}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 56508192

約数和(自身を除く): 34871922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 773, 933, 1546, 1555, 1866, 2319, 2799, 3110, 3865, 4638, 4665, 5598, 6957, 7730, 9330, 11595, 13914, 13995, 23190, 27990, 34785, 69570, 240403, 480806, 721209, 1202015, 1442418, 2163627, 2404030, 3606045, 4327254, 7212090, 10818135, 21636270]

約数ペア:

[(1, 21636270), (2, 10818135), (3, 7212090), (5, 4327254), (6, 3606045), (9, 2404030), (10, 2163627), (15, 1442418), (18, 1202015), (30, 721209), (45, 480806), (90, 240403), (311, 69570), (622, 34785), (773, 27990), (933, 23190), (1546, 13995), (1555, 13914), (1866, 11595), (2319, 9330), (2799, 7730), (3110, 6957), (3865, 5598), (4638, 4665)]