21183008833

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 24656486400

約数和(自身を除く): 3473477567

約数列:

[1, 7, 139, 223, 233, 419, 973, 1561, 1631, 2933, 30997, 32387, 51959, 58241, 93437, 97627, 216979, 226709, 363713, 407687, 654059, 683389, 7222301, 12987743, 13570153, 21770821, 50556107, 90914201, 94991071, 152395747, 3026144119, 21183008833]

約数ペア:

[(1, 21183008833), (7, 3026144119), (139, 152395747), (223, 94991071), (233, 90914201), (419, 50556107), (973, 21770821), (1561, 13570153), (1631, 12987743), (2933, 7222301), (30997, 683389), (32387, 654059), (51959, 407687), (58241, 363713), (93437, 226709), (97627, 216979)]