21437814

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 45434880

約数和(自身を除く): 23997066

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 173, 346, 519, 1038, 1087, 2174, 3261, 3287, 6522, 6574, 9861, 19722, 20653, 41306, 61959, 123918, 188051, 376102, 564153, 1128306, 3572969, 7145938, 10718907, 21437814]

約数ペア:

[(1, 21437814), (2, 10718907), (3, 7145938), (6, 3572969), (19, 1128306), (38, 564153), (57, 376102), (114, 188051), (173, 123918), (346, 61959), (519, 41306), (1038, 20653), (1087, 19722), (2174, 9861), (3261, 6574), (3287, 6522)]