21200192

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 56

約数和(自身を含む): 46000416

約数和(自身を除く): 24800224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 166, 208, 307, 332, 416, 614, 664, 832, 1079, 1228, 1328, 2158, 2456, 2656, 3991, 4316, 4912, 5312, 7982, 8632, 9824, 15964, 17264, 19648, 25481, 31928, 34528, 50962, 63856, 69056, 101924, 127712, 203848, 255424, 331253, 407696, 662506, 815392, 1325012, 1630784, 2650024, 5300048, 10600096, 21200192]

約数ペア:

[(1, 21200192), (2, 10600096), (4, 5300048), (8, 2650024), (13, 1630784), (16, 1325012), (26, 815392), (32, 662506), (52, 407696), (64, 331253), (83, 255424), (104, 203848), (166, 127712), (208, 101924), (307, 69056), (332, 63856), (416, 50962), (614, 34528), (664, 31928), (832, 25481), (1079, 19648), (1228, 17264), (1328, 15964), (2158, 9824), (2456, 8632), (2656, 7982), (3991, 5312), (4316, 4912)]