21440790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34033}}^1$

素因数の和:34053

約数の個数: 48

約数和(自身を含む): 63711648

約数和(自身を除く): 42270858

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34033, 68066, 102099, 170165, 204198, 238231, 306297, 340330, 476462, 510495, 612594, 714693, 1020990, 1191155, 1429386, 1531485, 2144079, 2382310, 3062970, 3573465, 4288158, 7146930, 10720395, 21440790]

約数ペア:

[(1, 21440790), (2, 10720395), (3, 7146930), (5, 4288158), (6, 3573465), (7, 3062970), (9, 2382310), (10, 2144079), (14, 1531485), (15, 1429386), (18, 1191155), (21, 1020990), (30, 714693), (35, 612594), (42, 510495), (45, 476462), (63, 340330), (70, 306297), (90, 238231), (105, 204198), (126, 170165), (210, 102099), (315, 68066), (630, 34033)]