21861490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18371}}^1$

素因数の和:18402

約数の個数: 32

約数和(自身を含む): 47620224

約数和(自身を除く): 25758734

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18371, 36742, 91855, 128597, 183710, 257194, 312307, 624614, 642985, 1285970, 1561535, 2186149, 3123070, 4372298, 10930745, 21861490]

約数ペア:

[(1, 21861490), (2, 10930745), (5, 4372298), (7, 3123070), (10, 2186149), (14, 1561535), (17, 1285970), (34, 642985), (35, 624614), (70, 312307), (85, 257194), (119, 183710), (170, 128597), (238, 91855), (595, 36742), (1190, 18371)]