21263112

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22717}}^1$

素因数の和:22742

約数の個数: 48

約数和(自身を含む): 62020140

約数和(自身を除く): 40757028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22717, 45434, 68151, 90868, 136302, 181736, 204453, 272604, 295321, 408906, 545208, 590642, 817812, 885963, 1181284, 1635624, 1771926, 2362568, 2657889, 3543852, 5315778, 7087704, 10631556, 21263112]

約数ペア:

[(1, 21263112), (2, 10631556), (3, 7087704), (4, 5315778), (6, 3543852), (8, 2657889), (9, 2362568), (12, 1771926), (13, 1635624), (18, 1181284), (24, 885963), (26, 817812), (36, 590642), (39, 545208), (52, 408906), (72, 295321), (78, 272604), (104, 204453), (117, 181736), (156, 136302), (234, 90868), (312, 68151), (468, 45434), (936, 22717)]