21310758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9949}}^1$

素因数の和:9981

約数の個数: 48

約数和(自身を含む): 55879200

約数和(自身を除く): 34568442

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9949, 19898, 29847, 59694, 69643, 89541, 139286, 169133, 179082, 208929, 338266, 417858, 507399, 626787, 1014798, 1183931, 1253574, 1522197, 2367862, 3044394, 3551793, 7103586, 10655379, 21310758]

約数ペア:

[(1, 21310758), (2, 10655379), (3, 7103586), (6, 3551793), (7, 3044394), (9, 2367862), (14, 1522197), (17, 1253574), (18, 1183931), (21, 1014798), (34, 626787), (42, 507399), (51, 417858), (63, 338266), (102, 208929), (119, 179082), (126, 169133), (153, 139286), (238, 89541), (306, 69643), (357, 59694), (714, 29847), (1071, 19898), (2142, 9949)]