2021492109

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 3402560000

約数和(自身を除く): 1381067891

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 349, 433, 637, 1029, 1047, 1299, 1911, 2443, 3031, 4459, 4537, 5629, 7329, 9093, 13377, 13611, 16887, 17101, 21217, 31759, 39403, 51303, 63651, 95277, 118209, 119707, 148519, 151117, 222313, 275821, 359121, 445557, 453351, 666939, 827463, 1057819, 1556191, 1930747, 1964521, 3173457, 4668573, 5792241, 5893563, 7404733, 13751647, 22214199, 41254941, 51833131, 96261529, 155499393, 288784587, 673830703, 2021492109]

約数ペア:

[(1, 2021492109), (3, 673830703), (7, 288784587), (13, 155499393), (21, 96261529), (39, 51833131), (49, 41254941), (91, 22214199), (147, 13751647), (273, 7404733), (343, 5893563), (349, 5792241), (433, 4668573), (637, 3173457), (1029, 1964521), (1047, 1930747), (1299, 1556191), (1911, 1057819), (2443, 827463), (3031, 666939), (4459, 453351), (4537, 445557), (5629, 359121), (7329, 275821), (9093, 222313), (13377, 151117), (13611, 148519), (16887, 119707), (17101, 118209), (21217, 95277), (31759, 63651), (39403, 51303)]