21971410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 19941230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 587, 985, 1174, 1970, 2935, 3743, 5870, 7486, 11153, 18715, 22306, 37430, 55765, 111530, 115639, 231278, 578195, 1156390, 2197141, 4394282, 10985705, 21971410]

約数ペア:

[(1, 21971410), (2, 10985705), (5, 4394282), (10, 2197141), (19, 1156390), (38, 578195), (95, 231278), (190, 115639), (197, 111530), (394, 55765), (587, 37430), (985, 22306), (1174, 18715), (1970, 11153), (2935, 7486), (3743, 5870)]