21840064

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 56

約数和(自身を含む): 46561248

約数和(自身を除く): 24721184

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 148, 184, 296, 368, 401, 592, 736, 802, 851, 1184, 1472, 1604, 1702, 2368, 3208, 3404, 6416, 6808, 9223, 12832, 13616, 14837, 18446, 25664, 27232, 29674, 36892, 54464, 59348, 73784, 118696, 147568, 237392, 295136, 341251, 474784, 590272, 682502, 949568, 1365004, 2730008, 5460016, 10920032, 21840064]

約数ペア:

[(1, 21840064), (2, 10920032), (4, 5460016), (8, 2730008), (16, 1365004), (23, 949568), (32, 682502), (37, 590272), (46, 474784), (64, 341251), (74, 295136), (92, 237392), (148, 147568), (184, 118696), (296, 73784), (368, 59348), (401, 54464), (592, 36892), (736, 29674), (802, 27232), (851, 25664), (1184, 18446), (1472, 14837), (1604, 13616), (1702, 12832), (2368, 9223), (3208, 6808), (3404, 6416)]