21076890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 32836710

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 103, 114, 190, 206, 285, 309, 359, 515, 570, 618, 718, 1030, 1077, 1545, 1795, 1957, 2154, 3090, 3590, 3914, 5385, 5871, 6821, 9785, 10770, 11742, 13642, 19570, 20463, 29355, 34105, 36977, 40926, 58710, 68210, 73954, 102315, 110931, 184885, 204630, 221862, 369770, 554655, 702563, 1109310, 1405126, 2107689, 3512815, 4215378, 7025630, 10538445, 21076890]

約数ペア:

[(1, 21076890), (2, 10538445), (3, 7025630), (5, 4215378), (6, 3512815), (10, 2107689), (15, 1405126), (19, 1109310), (30, 702563), (38, 554655), (57, 369770), (95, 221862), (103, 204630), (114, 184885), (190, 110931), (206, 102315), (285, 73954), (309, 68210), (359, 58710), (515, 40926), (570, 36977), (618, 34105), (718, 29355), (1030, 20463), (1077, 19570), (1545, 13642), (1795, 11742), (1957, 10770), (2154, 9785), (3090, 6821), (3590, 5871), (3914, 5385)]