21823784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4337}}^1$

素因数の和:4397

約数の個数: 32

約数和(自身を含む): 44507880

約数和(自身を除く): 22684096

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4337, 5032, 8674, 17348, 34696, 73729, 147458, 160469, 294916, 320938, 589832, 641876, 1283752, 2727973, 5455946, 10911892, 21823784]

約数ペア:

[(1, 21823784), (2, 10911892), (4, 5455946), (8, 2727973), (17, 1283752), (34, 641876), (37, 589832), (68, 320938), (74, 294916), (136, 160469), (148, 147458), (296, 73729), (629, 34696), (1258, 17348), (2516, 8674), (4337, 5032)]