21592920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1747}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 65445120

約数和(自身を除く): 43852200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1747, 2060, 2472, 3090, 3494, 4120, 5241, 6180, 6988, 8735, 10482, 12360, 13976, 17470, 20964, 26205, 34940, 41928, 52410, 69880, 104820, 179941, 209640, 359882, 539823, 719764, 899705, 1079646, 1439528, 1799410, 2159292, 2699115, 3598820, 4318584, 5398230, 7197640, 10796460, 21592920]

約数ペア:

[(1, 21592920), (2, 10796460), (3, 7197640), (4, 5398230), (5, 4318584), (6, 3598820), (8, 2699115), (10, 2159292), (12, 1799410), (15, 1439528), (20, 1079646), (24, 899705), (30, 719764), (40, 539823), (60, 359882), (103, 209640), (120, 179941), (206, 104820), (309, 69880), (412, 52410), (515, 41928), (618, 34940), (824, 26205), (1030, 20964), (1236, 17470), (1545, 13976), (1747, 12360), (2060, 10482), (2472, 8735), (3090, 6988), (3494, 6180), (4120, 5241)]