21817616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 44622144

約数和(自身を除く): 22804528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 587, 808, 1174, 1616, 2323, 2348, 4646, 4696, 9292, 9392, 13501, 18584, 27002, 37168, 54004, 59287, 108008, 118574, 216016, 237148, 474296, 948592, 1363601, 2727202, 5454404, 10908808, 21817616]

約数ペア:

[(1, 21817616), (2, 10908808), (4, 5454404), (8, 2727202), (16, 1363601), (23, 948592), (46, 474296), (92, 237148), (101, 216016), (184, 118574), (202, 108008), (368, 59287), (404, 54004), (587, 37168), (808, 27002), (1174, 18584), (1616, 13501), (2323, 9392), (2348, 9292), (4646, 4696)]