21190848190

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{74713}}^1$

素因数の和:75084

約数の個数: 32

約数和(自身を含む): 38634908256

約数和(自身を除く): 17444060066

約数列:

[1, 2, 5, 10, 113, 226, 251, 502, 565, 1130, 1255, 2510, 28363, 56726, 74713, 141815, 149426, 283630, 373565, 747130, 8442569, 16885138, 18752963, 37505926, 42212845, 84425690, 93764815, 187529630, 2119084819, 4238169638, 10595424095, 21190848190]

約数ペア:

[(1, 21190848190), (2, 10595424095), (5, 4238169638), (10, 2119084819), (113, 187529630), (226, 93764815), (251, 84425690), (502, 42212845), (565, 37505926), (1130, 18752963), (1255, 16885138), (2510, 8442569), (28363, 747130), (56726, 373565), (74713, 283630), (141815, 149426)]