21565116

素因数分解:

$2^2\times 3^4\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:776

約数の個数: 60

約数和(自身を含む): 57020040

約数和(自身を除く): 35454924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 101, 108, 162, 202, 303, 324, 404, 606, 659, 909, 1212, 1318, 1818, 1977, 2636, 2727, 3636, 3954, 5454, 5931, 7908, 8181, 10908, 11862, 16362, 17793, 23724, 32724, 35586, 53379, 66559, 71172, 106758, 133118, 199677, 213516, 266236, 399354, 599031, 798708, 1198062, 1797093, 2396124, 3594186, 5391279, 7188372, 10782558, 21565116]

約数ペア:

[(1, 21565116), (2, 10782558), (3, 7188372), (4, 5391279), (6, 3594186), (9, 2396124), (12, 1797093), (18, 1198062), (27, 798708), (36, 599031), (54, 399354), (81, 266236), (101, 213516), (108, 199677), (162, 133118), (202, 106758), (303, 71172), (324, 66559), (404, 53379), (606, 35586), (659, 32724), (909, 23724), (1212, 17793), (1318, 16362), (1818, 11862), (1977, 10908), (2636, 8181), (2727, 7908), (3636, 5931), (3954, 5454)]