21531582

素因数分解:

$2^1\times 3^4\times {\mathrm{132911}}^1$

素因数の和:132925

約数の個数: 20

約数和(自身を含む): 48247056

約数和(自身を除く): 26715474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132911, 265822, 398733, 797466, 1196199, 2392398, 3588597, 7177194, 10765791, 21531582]

約数ペア:

[(1, 21531582), (2, 10765791), (3, 7177194), (6, 3588597), (9, 2392398), (18, 1196199), (27, 797466), (54, 398733), (81, 265822), (162, 132911)]