21972030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15583}}^1$

素因数の和:15640

約数の個数: 32

約数和(自身を含む): 53858304

約数和(自身を除く): 31886274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15583, 31166, 46749, 77915, 93498, 155830, 233745, 467490, 732401, 1464802, 2197203, 3662005, 4394406, 7324010, 10986015, 21972030]

約数ペア:

[(1, 21972030), (2, 10986015), (3, 7324010), (5, 4394406), (6, 3662005), (10, 2197203), (15, 1464802), (30, 732401), (47, 467490), (94, 233745), (141, 155830), (235, 93498), (282, 77915), (470, 46749), (705, 31166), (1410, 15583)]