21622990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2293}}^1$

素因数の和:2364

約数の個数: 32

約数和(自身を含む): 41622336

約数和(自身を除く): 19999346

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2293, 4586, 4715, 9430, 11465, 22930, 52739, 94013, 105478, 188026, 263695, 470065, 527390, 940130, 2162299, 4324598, 10811495, 21622990]

約数ペア:

[(1, 21622990), (2, 10811495), (5, 4324598), (10, 2162299), (23, 940130), (41, 527390), (46, 470065), (82, 263695), (115, 188026), (205, 105478), (230, 94013), (410, 52739), (943, 22930), (1886, 11465), (2293, 9430), (4586, 4715)]