21245178

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 44202816

約数和(自身を除く): 22957638

約数列:

[1, 2, 3, 6, 37, 74, 83, 111, 166, 222, 249, 498, 1153, 2306, 3071, 3459, 6142, 6918, 9213, 18426, 42661, 85322, 95699, 127983, 191398, 255966, 287097, 574194, 3540863, 7081726, 10622589, 21245178]

約数ペア:

[(1, 21245178), (2, 10622589), (3, 7081726), (6, 3540863), (37, 574194), (74, 287097), (83, 255966), (111, 191398), (166, 127983), (222, 95699), (249, 85322), (498, 42661), (1153, 18426), (2306, 9213), (3071, 6918), (3459, 6142)]