21193669892

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1\times {\mathrm{1787}}^1$

素因数の和:3188

約数の個数: 48

約数和(自身を含む): 38718896832

約数和(自身を除く): 17525226940

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 1301, 1787, 2279, 2602, 3574, 4558, 5204, 7148, 9116, 55943, 68953, 76841, 94711, 111886, 137906, 153682, 189422, 223772, 275812, 307364, 378844, 2324887, 2964979, 4072573, 4649774, 5929958, 8145146, 9299548, 11859916, 16290292, 99970141, 123219011, 199940282, 246438022, 399880564, 492876044, 5298417473, 10596834946, 21193669892]

約数ペア:

[(1, 21193669892), (2, 10596834946), (4, 5298417473), (43, 492876044), (53, 399880564), (86, 246438022), (106, 199940282), (172, 123219011), (212, 99970141), (1301, 16290292), (1787, 11859916), (2279, 9299548), (2602, 8145146), (3574, 5929958), (4558, 4649774), (5204, 4072573), (7148, 2964979), (9116, 2324887), (55943, 378844), (68953, 307364), (76841, 275812), (94711, 223772), (111886, 189422), (137906, 153682)]