21316592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3957

約数の個数: 40

約数和(自身を含む): 46520832

約数和(自身を除く): 25204240

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3907, 5456, 7814, 15628, 31256, 42977, 62512, 85954, 121117, 171908, 242234, 343816, 484468, 687632, 968936, 1332287, 1937872, 2664574, 5329148, 10658296, 21316592]

約数ペア:

[(1, 21316592), (2, 10658296), (4, 5329148), (8, 2664574), (11, 1937872), (16, 1332287), (22, 968936), (31, 687632), (44, 484468), (62, 343816), (88, 242234), (124, 171908), (176, 121117), (248, 85954), (341, 62512), (496, 42977), (682, 31256), (1364, 15628), (2728, 7814), (3907, 5456)]