21147330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5381}}^1$

素因数の和:5522

約数の個数: 32

約数和(自身を含む): 51150528

約数和(自身を除く): 30003198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5381, 10762, 16143, 26905, 32286, 53810, 80715, 161430, 704911, 1409822, 2114733, 3524555, 4229466, 7049110, 10573665, 21147330]

約数ペア:

[(1, 21147330), (2, 10573665), (3, 7049110), (5, 4229466), (6, 3524555), (10, 2114733), (15, 1409822), (30, 704911), (131, 161430), (262, 80715), (393, 53810), (655, 32286), (786, 26905), (1310, 16143), (1965, 10762), (3930, 5381)]