21543870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31223}}^1$

素因数の和:31256

約数の個数: 32

約数和(自身を含む): 53955072

約数和(自身を除く): 32411202

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31223, 62446, 93669, 156115, 187338, 312230, 468345, 718129, 936690, 1436258, 2154387, 3590645, 4308774, 7181290, 10771935, 21543870]

約数ペア:

[(1, 21543870), (2, 10771935), (3, 7181290), (5, 4308774), (6, 3590645), (10, 2154387), (15, 1436258), (23, 936690), (30, 718129), (46, 468345), (69, 312230), (115, 187338), (138, 156115), (230, 93669), (345, 62446), (690, 31223)]