21216390224

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35838497}}^1$

素因数の和:35838542

約数の個数: 20

約数和(自身を含む): 42217750644

約数和(自身を除く): 21001360420

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35838497, 71676994, 143353988, 286707976, 573415952, 1326024389, 2652048778, 5304097556, 10608195112, 21216390224]

約数ペア:

[(1, 21216390224), (2, 10608195112), (4, 5304097556), (8, 2652048778), (16, 1326024389), (37, 573415952), (74, 286707976), (148, 143353988), (296, 71676994), (592, 35838497)]