21369832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12781}}^1$

素因数の和:12817

約数の個数: 32

約数和(自身を含む): 46015200

約数和(自身を除く): 24645368

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12781, 25562, 51124, 102248, 140591, 242839, 281182, 485678, 562364, 971356, 1124728, 1942712, 2671229, 5342458, 10684916, 21369832]

約数ペア:

[(1, 21369832), (2, 10684916), (4, 5342458), (8, 2671229), (11, 1942712), (19, 1124728), (22, 971356), (38, 562364), (44, 485678), (76, 281182), (88, 242839), (152, 140591), (209, 102248), (418, 51124), (836, 25562), (1672, 12781)]