21446940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1319}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 38871780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1319, 1355, 1626, 2638, 2710, 3252, 3957, 4065, 5276, 5420, 6595, 7914, 8130, 13190, 15828, 16260, 19785, 26380, 39570, 79140, 357449, 714898, 1072347, 1429796, 1787245, 2144694, 3574490, 4289388, 5361735, 7148980, 10723470, 21446940]

約数ペア:

[(1, 21446940), (2, 10723470), (3, 7148980), (4, 5361735), (5, 4289388), (6, 3574490), (10, 2144694), (12, 1787245), (15, 1429796), (20, 1072347), (30, 714898), (60, 357449), (271, 79140), (542, 39570), (813, 26380), (1084, 19785), (1319, 16260), (1355, 15828), (1626, 13190), (2638, 8130), (2710, 7914), (3252, 6595), (3957, 5420), (4065, 5276)]