21749110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1013}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 41614560

約数和(自身を除く): 19865450

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1013, 1130, 2026, 2147, 4294, 5065, 10130, 10735, 19247, 21470, 38494, 96235, 114469, 192470, 228938, 572345, 1144690, 2174911, 4349822, 10874555, 21749110]

約数ペア:

[(1, 21749110), (2, 10874555), (5, 4349822), (10, 2174911), (19, 1144690), (38, 572345), (95, 228938), (113, 192470), (190, 114469), (226, 96235), (565, 38494), (1013, 21470), (1130, 19247), (2026, 10735), (2147, 10130), (4294, 5065)]