21422040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10501}}^1$

素因数の和:10532

約数の個数: 64

約数和(自身を含む): 68052960

約数和(自身を除く): 46630920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10501, 21002, 31503, 42004, 52505, 63006, 84008, 105010, 126012, 157515, 178517, 210020, 252024, 315030, 357034, 420040, 535551, 630060, 714068, 892585, 1071102, 1260120, 1428136, 1785170, 2142204, 2677755, 3570340, 4284408, 5355510, 7140680, 10711020, 21422040]

約数ペア:

[(1, 21422040), (2, 10711020), (3, 7140680), (4, 5355510), (5, 4284408), (6, 3570340), (8, 2677755), (10, 2142204), (12, 1785170), (15, 1428136), (17, 1260120), (20, 1071102), (24, 892585), (30, 714068), (34, 630060), (40, 535551), (51, 420040), (60, 357034), (68, 315030), (85, 252024), (102, 210020), (120, 178517), (136, 157515), (170, 126012), (204, 105010), (255, 84008), (340, 63006), (408, 52505), (510, 42004), (680, 31503), (1020, 21002), (2040, 10501)]