21802290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16901}}^1$

素因数の和:16954

約数の個数: 32

約数和(自身を含む): 53545536

約数和(自身を除く): 31743246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16901, 33802, 50703, 84505, 101406, 169010, 253515, 507030, 726743, 1453486, 2180229, 3633715, 4360458, 7267430, 10901145, 21802290]

約数ペア:

[(1, 21802290), (2, 10901145), (3, 7267430), (5, 4360458), (6, 3633715), (10, 2180229), (15, 1453486), (30, 726743), (43, 507030), (86, 253515), (129, 169010), (215, 101406), (258, 84505), (430, 50703), (645, 33802), (1290, 16901)]