21090943340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1407

約数の個数: 96

約数和(自身を含む): 45733330944

約数和(自身を除く): 24642387604

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 127, 142, 214, 254, 284, 355, 428, 508, 535, 635, 710, 1070, 1093, 1270, 1420, 2140, 2186, 2540, 4372, 5465, 7597, 9017, 10930, 13589, 15194, 18034, 21860, 27178, 30388, 36068, 37985, 45085, 54356, 67945, 75970, 77603, 90170, 116951, 135890, 138811, 151940, 155206, 180340, 233902, 271780, 277622, 310412, 388015, 467804, 555244, 584755, 694055, 776030, 964819, 1169510, 1388110, 1552060, 1929638, 2339020, 2776220, 3859276, 4824095, 8303521, 9648190, 9855581, 14852777, 16607042, 19296380, 19711162, 29705554, 33214084, 39422324, 41517605, 49277905, 59411108, 74263885, 83035210, 98555810, 148527770, 166070420, 197111620, 297055540, 1054547167, 2109094334, 4218188668, 5272735835, 10545471670, 21090943340]

約数ペア:

[(1, 21090943340), (2, 10545471670), (4, 5272735835), (5, 4218188668), (10, 2109094334), (20, 1054547167), (71, 297055540), (107, 197111620), (127, 166070420), (142, 148527770), (214, 98555810), (254, 83035210), (284, 74263885), (355, 59411108), (428, 49277905), (508, 41517605), (535, 39422324), (635, 33214084), (710, 29705554), (1070, 19711162), (1093, 19296380), (1270, 16607042), (1420, 14852777), (2140, 9855581), (2186, 9648190), (2540, 8303521), (4372, 4824095), (5465, 3859276), (7597, 2776220), (9017, 2339020), (10930, 1929638), (13589, 1552060), (15194, 1388110), (18034, 1169510), (21860, 964819), (27178, 776030), (30388, 694055), (36068, 584755), (37985, 555244), (45085, 467804), (54356, 388015), (67945, 310412), (75970, 277622), (77603, 271780), (90170, 233902), (116951, 180340), (135890, 155206), (138811, 151940)]