21274184

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 41606400

約数和(自身を除く): 20332216

約数列:

[1, 2, 4, 8, 31, 62, 109, 124, 218, 248, 436, 787, 872, 1574, 3148, 3379, 6296, 6758, 13516, 24397, 27032, 48794, 85783, 97588, 171566, 195176, 343132, 686264, 2659273, 5318546, 10637092, 21274184]

約数ペア:

[(1, 21274184), (2, 10637092), (4, 5318546), (8, 2659273), (31, 686264), (62, 343132), (109, 195176), (124, 171566), (218, 97588), (248, 85783), (436, 48794), (787, 27032), (872, 24397), (1574, 13516), (3148, 6758), (3379, 6296)]