21141510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34016250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 151, 195, 302, 359, 390, 453, 718, 755, 906, 1077, 1510, 1795, 1963, 2154, 2265, 3590, 3926, 4530, 4667, 5385, 5889, 9334, 9815, 10770, 11778, 14001, 19630, 23335, 28002, 29445, 46670, 54209, 58890, 70005, 108418, 140010, 162627, 271045, 325254, 542090, 704717, 813135, 1409434, 1626270, 2114151, 3523585, 4228302, 7047170, 10570755, 21141510]

約数ペア:

[(1, 21141510), (2, 10570755), (3, 7047170), (5, 4228302), (6, 3523585), (10, 2114151), (13, 1626270), (15, 1409434), (26, 813135), (30, 704717), (39, 542090), (65, 325254), (78, 271045), (130, 162627), (151, 140010), (195, 108418), (302, 70005), (359, 58890), (390, 54209), (453, 46670), (718, 29445), (755, 28002), (906, 23335), (1077, 19630), (1510, 14001), (1795, 11778), (1963, 10770), (2154, 9815), (2265, 9334), (3590, 5889), (3926, 5385), (4530, 4667)]