21977884770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{27617}}^1$

素因数の和:28315

約数の個数: 64

約数和(自身を含む): 54118907136

約数和(自身を除く): 32141022366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 647, 1230, 1294, 1941, 3235, 3882, 6470, 9705, 19410, 26527, 27617, 53054, 55234, 79581, 82851, 132635, 138085, 159162, 165702, 265270, 276170, 397905, 414255, 795810, 828510, 1132297, 2264594, 3396891, 5661485, 6793782, 11322970, 16984455, 17868199, 33968910, 35736398, 53604597, 89340995, 107209194, 178681990, 268022985, 536045970, 732596159, 1465192318, 2197788477, 3662980795, 4395576954, 7325961590, 10988942385, 21977884770]

約数ペア:

[(1, 21977884770), (2, 10988942385), (3, 7325961590), (5, 4395576954), (6, 3662980795), (10, 2197788477), (15, 1465192318), (30, 732596159), (41, 536045970), (82, 268022985), (123, 178681990), (205, 107209194), (246, 89340995), (410, 53604597), (615, 35736398), (647, 33968910), (1230, 17868199), (1294, 16984455), (1941, 11322970), (3235, 6793782), (3882, 5661485), (6470, 3396891), (9705, 2264594), (19410, 1132297), (26527, 828510), (27617, 795810), (53054, 414255), (55234, 397905), (79581, 276170), (82851, 265270), (132635, 165702), (138085, 159162)]