21677312

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 54

約数和(自身を含む): 46121838

約数和(自身を除く): 24444526

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 293, 544, 578, 586, 1088, 1156, 1172, 2176, 2312, 2344, 4352, 4624, 4688, 4981, 9248, 9376, 9962, 18496, 18752, 19924, 36992, 37504, 39848, 73984, 75008, 79696, 84677, 159392, 169354, 318784, 338708, 637568, 677416, 1275136, 1354832, 2709664, 5419328, 10838656, 21677312]

約数ペア:

[(1, 21677312), (2, 10838656), (4, 5419328), (8, 2709664), (16, 1354832), (17, 1275136), (32, 677416), (34, 637568), (64, 338708), (68, 318784), (128, 169354), (136, 159392), (256, 84677), (272, 79696), (289, 75008), (293, 73984), (544, 39848), (578, 37504), (586, 36992), (1088, 19924), (1156, 18752), (1172, 18496), (2176, 9962), (2312, 9376), (2344, 9248), (4352, 4981), (4624, 4688)]