21898012

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 39327120

約数和(自身を除く): 17429108

約数列:

[1, 2, 4, 67, 101, 134, 202, 268, 404, 809, 1618, 3236, 6767, 13534, 27068, 54203, 81709, 108406, 163418, 216812, 326836, 5474503, 10949006, 21898012]

約数ペア:

[(1, 21898012), (2, 10949006), (4, 5474503), (67, 326836), (101, 216812), (134, 163418), (202, 108406), (268, 81709), (404, 54203), (809, 27068), (1618, 13534), (3236, 6767)]