21513630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7393}}^1$

素因数の和:7500

約数の個数: 32

約数和(自身を含む): 52172064

約数和(自身を除く): 30658434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7393, 14786, 22179, 36965, 44358, 73930, 110895, 221790, 717121, 1434242, 2151363, 3585605, 4302726, 7171210, 10756815, 21513630]

約数ペア:

[(1, 21513630), (2, 10756815), (3, 7171210), (5, 4302726), (6, 3585605), (10, 2151363), (15, 1434242), (30, 717121), (97, 221790), (194, 110895), (291, 73930), (485, 44358), (582, 36965), (970, 22179), (1455, 14786), (2910, 7393)]