21983234

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 42326592

約数和(自身を除く): 20343358

約数列:

[1, 2, 7, 13, 14, 26, 43, 53, 86, 91, 106, 182, 301, 371, 559, 602, 689, 742, 1118, 1378, 2279, 2809, 3913, 4558, 4823, 5618, 7826, 9646, 15953, 19663, 29627, 31906, 36517, 39326, 59254, 73034, 120787, 207389, 241574, 255619, 414778, 511238, 845509, 1570231, 1691018, 3140462, 10991617, 21983234]

約数ペア:

[(1, 21983234), (2, 10991617), (7, 3140462), (13, 1691018), (14, 1570231), (26, 845509), (43, 511238), (53, 414778), (86, 255619), (91, 241574), (106, 207389), (182, 120787), (301, 73034), (371, 59254), (559, 39326), (602, 36517), (689, 31906), (742, 29627), (1118, 19663), (1378, 15953), (2279, 9646), (2809, 7826), (3913, 5618), (4558, 4823)]