21100770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2568

約数の個数: 64

約数和(自身を含む): 58106880

約数和(自身を除く): 37006110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2521, 2790, 4185, 5042, 7563, 8370, 12605, 15126, 22689, 25210, 37815, 45378, 68067, 75630, 78151, 113445, 136134, 156302, 226890, 234453, 340335, 390755, 468906, 680670, 703359, 781510, 1172265, 1406718, 2110077, 2344530, 3516795, 4220154, 7033590, 10550385, 21100770]

約数ペア:

[(1, 21100770), (2, 10550385), (3, 7033590), (5, 4220154), (6, 3516795), (9, 2344530), (10, 2110077), (15, 1406718), (18, 1172265), (27, 781510), (30, 703359), (31, 680670), (45, 468906), (54, 390755), (62, 340335), (90, 234453), (93, 226890), (135, 156302), (155, 136134), (186, 113445), (270, 78151), (279, 75630), (310, 68067), (465, 45378), (558, 37815), (837, 25210), (930, 22689), (1395, 15126), (1674, 12605), (2521, 8370), (2790, 7563), (4185, 5042)]