21614944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 24615968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 223, 233, 416, 446, 466, 892, 932, 1784, 1864, 2899, 3029, 3568, 3728, 5798, 6058, 7136, 7456, 11596, 12116, 23192, 24232, 46384, 48464, 51959, 92768, 96928, 103918, 207836, 415672, 675467, 831344, 1350934, 1662688, 2701868, 5403736, 10807472, 21614944]

約数ペア:

[(1, 21614944), (2, 10807472), (4, 5403736), (8, 2701868), (13, 1662688), (16, 1350934), (26, 831344), (32, 675467), (52, 415672), (104, 207836), (208, 103918), (223, 96928), (233, 92768), (416, 51959), (446, 48464), (466, 46384), (892, 24232), (932, 23192), (1784, 12116), (1864, 11596), (2899, 7456), (3029, 7136), (3568, 6058), (3728, 5798)]