21385014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 52710912

約数和(自身を除く): 31325898

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 61, 102, 119, 122, 183, 238, 357, 366, 427, 491, 714, 854, 982, 1037, 1281, 1473, 2074, 2562, 2946, 3111, 3437, 6222, 6874, 7259, 8347, 10311, 14518, 16694, 20622, 21777, 25041, 29951, 43554, 50082, 58429, 59902, 89853, 116858, 175287, 179706, 209657, 350574, 419314, 509167, 628971, 1018334, 1257942, 1527501, 3055002, 3564169, 7128338, 10692507, 21385014]

約数ペア:

[(1, 21385014), (2, 10692507), (3, 7128338), (6, 3564169), (7, 3055002), (14, 1527501), (17, 1257942), (21, 1018334), (34, 628971), (42, 509167), (51, 419314), (61, 350574), (102, 209657), (119, 179706), (122, 175287), (183, 116858), (238, 89853), (357, 59902), (366, 58429), (427, 50082), (491, 43554), (714, 29951), (854, 25041), (982, 21777), (1037, 20622), (1281, 16694), (1473, 14518), (2074, 10311), (2562, 8347), (2946, 7259), (3111, 6874), (3437, 6222)]