21233716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 23924684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 167, 239, 266, 334, 478, 532, 668, 956, 1169, 1673, 2338, 3173, 3346, 4541, 4676, 6346, 6692, 9082, 12692, 18164, 22211, 31787, 39913, 44422, 63574, 79826, 88844, 127148, 159652, 279391, 558782, 758347, 1117564, 1516694, 3033388, 5308429, 10616858, 21233716]

約数ペア:

[(1, 21233716), (2, 10616858), (4, 5308429), (7, 3033388), (14, 1516694), (19, 1117564), (28, 758347), (38, 558782), (76, 279391), (133, 159652), (167, 127148), (239, 88844), (266, 79826), (334, 63574), (478, 44422), (532, 39913), (668, 31787), (956, 22211), (1169, 18164), (1673, 12692), (2338, 9082), (3173, 6692), (3346, 6346), (4541, 4676)]