21053862

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61561}}^1$

素因数の和:61588

約数の個数: 24

約数和(自身を含む): 48018360

約数和(自身を除く): 26964498

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61561, 123122, 184683, 369366, 554049, 1108098, 1169659, 2339318, 3508977, 7017954, 10526931, 21053862]

約数ペア:

[(1, 21053862), (2, 10526931), (3, 7017954), (6, 3508977), (9, 2339318), (18, 1169659), (19, 1108098), (38, 554049), (57, 369366), (114, 184683), (171, 123122), (342, 61561)]