21975180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8933}}^1$

素因数の和:8986

約数の個数: 48

約数和(自身を含む): 63038304

約数和(自身を除く): 41063124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8933, 17866, 26799, 35732, 44665, 53598, 89330, 107196, 133995, 178660, 267990, 366253, 535980, 732506, 1098759, 1465012, 1831265, 2197518, 3662530, 4395036, 5493795, 7325060, 10987590, 21975180]

約数ペア:

[(1, 21975180), (2, 10987590), (3, 7325060), (4, 5493795), (5, 4395036), (6, 3662530), (10, 2197518), (12, 1831265), (15, 1465012), (20, 1098759), (30, 732506), (41, 535980), (60, 366253), (82, 267990), (123, 178660), (164, 133995), (205, 107196), (246, 89330), (410, 53598), (492, 44665), (615, 35732), (820, 26799), (1230, 17866), (2460, 8933)]