21173256

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22621}}^1$

素因数の和:22646

約数の個数: 48

約数和(自身を含む): 61758060

約数和(自身を除く): 40584804

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, 22621, 45242, 67863, 90484, 135726, 180968, 203589, 271452, 294073, 407178, 542904, 588146, 814356, 882219, 1176292, 1628712, 1764438, 2352584, 2646657, 3528876, 5293314, 7057752, 10586628, 21173256]

約数ペア:

[(1, 21173256), (2, 10586628), (3, 7057752), (4, 5293314), (6, 3528876), (8, 2646657), (9, 2352584), (12, 1764438), (13, 1628712), (18, 1176292), (24, 882219), (26, 814356), (36, 588146), (39, 542904), (52, 407178), (72, 294073), (78, 271452), (104, 203589), (117, 180968), (156, 135726), (234, 90484), (312, 67863), (468, 45242), (936, 22621)]