21415038

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 44174592

約数和(自身を除く): 22759554

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 263, 331, 526, 662, 789, 993, 1578, 1986, 10783, 13571, 21566, 27142, 32349, 40713, 64698, 81426, 87053, 174106, 261159, 522318, 3569173, 7138346, 10707519, 21415038]

約数ペア:

[(1, 21415038), (2, 10707519), (3, 7138346), (6, 3569173), (41, 522318), (82, 261159), (123, 174106), (246, 87053), (263, 81426), (331, 64698), (526, 40713), (662, 32349), (789, 27142), (993, 21566), (1578, 13571), (1986, 10783)]