21963561

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 29816640

約数和(自身を除く): 7853079

約数列:

[1, 3, 101, 173, 303, 419, 519, 1257, 17473, 42319, 52419, 72487, 126957, 217461, 7321187, 21963561]

約数ペア:

[(1, 21963561), (3, 7321187), (101, 217461), (173, 126957), (303, 72487), (419, 52419), (519, 42319), (1257, 17473)]