21034513108

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1\times {\mathrm{6911}}^1$

素因数の和:8524

約数の個数: 48

約数和(自身を含む): 42695589888

約数和(自身を除く): 21661076780

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1531, 1988, 3062, 6124, 6911, 10717, 13822, 21434, 27644, 42868, 48377, 96754, 108701, 193508, 217402, 434804, 490681, 760907, 981362, 1521814, 1962724, 3043628, 3434767, 6869534, 10580741, 13739068, 21161482, 42322964, 74065187, 148130374, 296260748, 751232611, 1502465222, 3004930444, 5258628277, 10517256554, 21034513108]

約数ペア:

[(1, 21034513108), (2, 10517256554), (4, 5258628277), (7, 3004930444), (14, 1502465222), (28, 751232611), (71, 296260748), (142, 148130374), (284, 74065187), (497, 42322964), (994, 21161482), (1531, 13739068), (1988, 10580741), (3062, 6869534), (6124, 3434767), (6911, 3043628), (10717, 1962724), (13822, 1521814), (21434, 981362), (27644, 760907), (42868, 490681), (48377, 434804), (96754, 217402), (108701, 193508)]