21213452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17737}}^1$

素因数の和:17777

約数の個数: 24

約数和(自身を含む): 41719776

約数和(自身を除く): 20506324

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17737, 35474, 70948, 230581, 407951, 461162, 815902, 922324, 1631804, 5303363, 10606726, 21213452]

約数ペア:

[(1, 21213452), (2, 10606726), (4, 5303363), (13, 1631804), (23, 922324), (26, 815902), (46, 461162), (52, 407951), (92, 230581), (299, 70948), (598, 35474), (1196, 17737)]