21222110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23321}}^1$

素因数の和:23348

約数の個数: 32

約数和(自身を含む): 47017152

約数和(自身を除く): 25795042

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23321, 46642, 116605, 163247, 233210, 303173, 326494, 606346, 816235, 1515865, 1632470, 2122211, 3031730, 4244422, 10611055, 21222110]

約数ペア:

[(1, 21222110), (2, 10611055), (5, 4244422), (7, 3031730), (10, 2122211), (13, 1632470), (14, 1515865), (26, 816235), (35, 606346), (65, 326494), (70, 303173), (91, 233210), (130, 163247), (182, 116605), (455, 46642), (910, 23321)]