21518856

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6359}}^1$

素因数の和:6418

約数の個数: 48

約数和(自身を含む): 59529600

約数和(自身を除く): 38010744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6359, 12718, 19077, 25436, 38154, 50872, 57231, 76308, 114462, 152616, 228924, 298873, 457848, 597746, 896619, 1195492, 1793238, 2390984, 2689857, 3586476, 5379714, 7172952, 10759428, 21518856]

約数ペア:

[(1, 21518856), (2, 10759428), (3, 7172952), (4, 5379714), (6, 3586476), (8, 2689857), (9, 2390984), (12, 1793238), (18, 1195492), (24, 896619), (36, 597746), (47, 457848), (72, 298873), (94, 228924), (141, 152616), (188, 114462), (282, 76308), (376, 57231), (423, 50872), (564, 38154), (846, 25436), (1128, 19077), (1692, 12718), (3384, 6359)]