21567804524

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{3209}}^1$

素因数の和:3927

約数の個数: 72

約数和(自身を含む): 44817403680

約数和(自身を除く): 23249599156

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 647, 742, 1294, 1484, 2588, 2597, 3209, 4529, 5194, 6418, 9058, 10388, 12836, 18116, 22463, 31703, 34291, 44926, 63406, 68582, 89852, 126812, 137164, 157241, 170077, 240037, 314482, 340154, 480074, 628964, 680308, 960148, 1190539, 1680259, 2076223, 2381078, 3360518, 4152446, 4762156, 6721036, 8304892, 8333773, 14533561, 16667546, 29067122, 33335092, 58134244, 101734927, 110039819, 203469854, 220079638, 406939708, 440159276, 770278733, 1540557466, 3081114932, 5391951131, 10783902262, 21567804524]

約数ペア:

[(1, 21567804524), (2, 10783902262), (4, 5391951131), (7, 3081114932), (14, 1540557466), (28, 770278733), (49, 440159276), (53, 406939708), (98, 220079638), (106, 203469854), (196, 110039819), (212, 101734927), (371, 58134244), (647, 33335092), (742, 29067122), (1294, 16667546), (1484, 14533561), (2588, 8333773), (2597, 8304892), (3209, 6721036), (4529, 4762156), (5194, 4152446), (6418, 3360518), (9058, 2381078), (10388, 2076223), (12836, 1680259), (18116, 1190539), (22463, 960148), (31703, 680308), (34291, 628964), (44926, 480074), (63406, 340154), (68582, 314482), (89852, 240037), (126812, 170077), (137164, 157241)]