21913307924

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{547}}^1\times {\mathrm{27743}}^1$

素因数の和:28332

約数の個数: 36

約数和(自身を含む): 40548299904

約数和(自身を除く): 18634991980

約数列:

[1, 2, 4, 19, 38, 76, 361, 547, 722, 1094, 1444, 2188, 10393, 20786, 27743, 41572, 55486, 110972, 197467, 394934, 527117, 789868, 1054234, 2108468, 10015223, 15175421, 20030446, 30350842, 40060892, 60701684, 288332999, 576665998, 1153331996, 5478326981, 10956653962, 21913307924]

約数ペア:

[(1, 21913307924), (2, 10956653962), (4, 5478326981), (19, 1153331996), (38, 576665998), (76, 288332999), (361, 60701684), (547, 40060892), (722, 30350842), (1094, 20030446), (1444, 15175421), (2188, 10015223), (10393, 2108468), (20786, 1054234), (27743, 789868), (41572, 527117), (55486, 394934), (110972, 197467)]