21317448

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16759}}^1$

素因数の和:16821

約数の個数: 32

約数和(自身を含む): 54302400

約数和(自身を除く): 32984952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16759, 33518, 50277, 67036, 100554, 134072, 201108, 402216, 888227, 1776454, 2664681, 3552908, 5329362, 7105816, 10658724, 21317448]

約数ペア:

[(1, 21317448), (2, 10658724), (3, 7105816), (4, 5329362), (6, 3552908), (8, 2664681), (12, 1776454), (24, 888227), (53, 402216), (106, 201108), (159, 134072), (212, 100554), (318, 67036), (424, 50277), (636, 33518), (1272, 16759)]