21688893366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{61091}}^1$

素因数の和:61289

約数の個数: 64

約数和(自身を含む): 50672148480

約数和(自身を除く): 28983255114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 107, 158, 214, 237, 321, 474, 553, 642, 749, 1106, 1498, 1659, 2247, 3318, 4494, 8453, 16906, 25359, 50718, 59171, 61091, 118342, 122182, 177513, 183273, 355026, 366546, 427637, 855274, 1282911, 2565822, 4826189, 6536737, 9652378, 13073474, 14478567, 19610211, 28957134, 33783323, 39220422, 45757159, 67566646, 91514318, 101349969, 137271477, 202699938, 274542954, 516402223, 1032804446, 1549206669, 3098413338, 3614815561, 7229631122, 10844446683, 21688893366]

約数ペア:

[(1, 21688893366), (2, 10844446683), (3, 7229631122), (6, 3614815561), (7, 3098413338), (14, 1549206669), (21, 1032804446), (42, 516402223), (79, 274542954), (107, 202699938), (158, 137271477), (214, 101349969), (237, 91514318), (321, 67566646), (474, 45757159), (553, 39220422), (642, 33783323), (749, 28957134), (1106, 19610211), (1498, 14478567), (1659, 13073474), (2247, 9652378), (3318, 6536737), (4494, 4826189), (8453, 2565822), (16906, 1282911), (25359, 855274), (50718, 427637), (59171, 366546), (61091, 355026), (118342, 183273), (122182, 177513)]