21398509446

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{130147}}^1$

素因数の和:130628

約数の個数: 32

約数和(自身を含む): 43542314880

約数和(自身を除く): 22143805434

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 409, 818, 1227, 2454, 27403, 54806, 82209, 130147, 164418, 260294, 390441, 780882, 8719849, 17439698, 26159547, 52319094, 53230123, 106460246, 159690369, 319380738, 3566418241, 7132836482, 10699254723, 21398509446]

約数ペア:

[(1, 21398509446), (2, 10699254723), (3, 7132836482), (6, 3566418241), (67, 319380738), (134, 159690369), (201, 106460246), (402, 53230123), (409, 52319094), (818, 26159547), (1227, 17439698), (2454, 8719849), (27403, 780882), (54806, 390441), (82209, 260294), (130147, 164418)]