21748038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2707}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 47314176

約数和(自身を除く): 25566138

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2678, 2707, 4017, 5414, 8034, 8121, 16242, 35191, 70382, 105573, 211146, 278821, 557642, 836463, 1672926, 3624673, 7249346, 10874019, 21748038]

約数ペア:

[(1, 21748038), (2, 10874019), (3, 7249346), (6, 3624673), (13, 1672926), (26, 836463), (39, 557642), (78, 278821), (103, 211146), (206, 105573), (309, 70382), (618, 35191), (1339, 16242), (2678, 8121), (2707, 8034), (4017, 5414)]