21619010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 24140158

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 83, 122, 166, 305, 415, 427, 581, 610, 830, 854, 1162, 2135, 2905, 3721, 4270, 5063, 5810, 7442, 10126, 18605, 25315, 26047, 35441, 37210, 50630, 52094, 70882, 130235, 177205, 260470, 308843, 354410, 617686, 1544215, 2161901, 3088430, 4323802, 10809505, 21619010]

約数ペア:

[(1, 21619010), (2, 10809505), (5, 4323802), (7, 3088430), (10, 2161901), (14, 1544215), (35, 617686), (61, 354410), (70, 308843), (83, 260470), (122, 177205), (166, 130235), (305, 70882), (415, 52094), (427, 50630), (581, 37210), (610, 35441), (830, 26047), (854, 25315), (1162, 18605), (2135, 10126), (2905, 7442), (3721, 5810), (4270, 5063)]