21741256

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{683}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 42845760

約数和(自身を除く): 21104504

約数列:

[1, 2, 4, 8, 23, 46, 92, 173, 184, 346, 683, 692, 1366, 1384, 2732, 3979, 5464, 7958, 15709, 15916, 31418, 31832, 62836, 118159, 125672, 236318, 472636, 945272, 2717657, 5435314, 10870628, 21741256]

約数ペア:

[(1, 21741256), (2, 10870628), (4, 5435314), (8, 2717657), (23, 945272), (46, 472636), (92, 236318), (173, 125672), (184, 118159), (346, 62836), (683, 31832), (692, 31418), (1366, 15916), (1384, 15709), (2732, 7958), (3979, 5464)]