21524528

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 43369248

約数和(自身を除く): 21844720

約数列:

[1, 2, 4, 8, 16, 37, 74, 103, 148, 206, 296, 353, 412, 592, 706, 824, 1412, 1648, 2824, 3811, 5648, 7622, 13061, 15244, 26122, 30488, 36359, 52244, 60976, 72718, 104488, 145436, 208976, 290872, 581744, 1345283, 2690566, 5381132, 10762264, 21524528]

約数ペア:

[(1, 21524528), (2, 10762264), (4, 5381132), (8, 2690566), (16, 1345283), (37, 581744), (74, 290872), (103, 208976), (148, 145436), (206, 104488), (296, 72718), (353, 60976), (412, 52244), (592, 36359), (706, 30488), (824, 26122), (1412, 15244), (1648, 13061), (2824, 7622), (3811, 5648)]