21652552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{853}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 43041600

約数和(自身を除く): 21389048

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 853, 1336, 1706, 3173, 3412, 6346, 6824, 12692, 16207, 25384, 32414, 64828, 129656, 142451, 284902, 569804, 1139608, 2706569, 5413138, 10826276, 21652552]

約数ペア:

[(1, 21652552), (2, 10826276), (4, 5413138), (8, 2706569), (19, 1139608), (38, 569804), (76, 284902), (152, 142451), (167, 129656), (334, 64828), (668, 32414), (853, 25384), (1336, 16207), (1706, 12692), (3173, 6824), (3412, 6346)]