21694822

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14230298

約数列:

[1, 2, 17, 34, 41, 79, 82, 158, 197, 394, 697, 1343, 1394, 2686, 3239, 3349, 6478, 6698, 8077, 15563, 16154, 31126, 55063, 110126, 137309, 264571, 274618, 529142, 638083, 1276166, 10847411, 21694822]

約数ペア:

[(1, 21694822), (2, 10847411), (17, 1276166), (34, 638083), (41, 529142), (79, 274618), (82, 264571), (158, 137309), (197, 110126), (394, 55063), (697, 31126), (1343, 16154), (1394, 15563), (2686, 8077), (3239, 6698), (3349, 6478)]