21465330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23081}}^1$

素因数の和:23122

約数の個数: 32

約数和(自身を含む): 53180928

約数和(自身を除く): 31715598

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23081, 46162, 69243, 115405, 138486, 230810, 346215, 692430, 715511, 1431022, 2146533, 3577555, 4293066, 7155110, 10732665, 21465330]

約数ペア:

[(1, 21465330), (2, 10732665), (3, 7155110), (5, 4293066), (6, 3577555), (10, 2146533), (15, 1431022), (30, 715511), (31, 692430), (62, 346215), (93, 230810), (155, 138486), (186, 115405), (310, 69243), (465, 46162), (930, 23081)]