21007079430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700235981}}^1$

素因数の和:700235991

約数の個数: 16

約数和(自身を含む): 50416990704

約数和(自身を除く): 29409911274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700235981, 1400471962, 2100707943, 3501179905, 4201415886, 7002359810, 10503539715, 21007079430]

約数ペア:

[(1, 21007079430), (2, 10503539715), (3, 7002359810), (5, 4201415886), (6, 3501179905), (10, 2100707943), (15, 1400471962), (30, 700235981)]