21716632

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 27312488

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 56, 74, 94, 148, 188, 223, 259, 296, 329, 376, 446, 518, 658, 892, 1036, 1316, 1561, 1739, 1784, 2072, 2632, 3122, 3478, 6244, 6956, 8251, 10481, 12173, 12488, 13912, 16502, 20962, 24346, 33004, 41924, 48692, 57757, 66008, 73367, 83848, 97384, 115514, 146734, 231028, 293468, 387797, 462056, 586936, 775594, 1551188, 2714579, 3102376, 5429158, 10858316, 21716632]

約数ペア:

[(1, 21716632), (2, 10858316), (4, 5429158), (7, 3102376), (8, 2714579), (14, 1551188), (28, 775594), (37, 586936), (47, 462056), (56, 387797), (74, 293468), (94, 231028), (148, 146734), (188, 115514), (223, 97384), (259, 83848), (296, 73367), (329, 66008), (376, 57757), (446, 48692), (518, 41924), (658, 33004), (892, 24346), (1036, 20962), (1316, 16502), (1561, 13912), (1739, 12488), (1784, 12173), (2072, 10481), (2632, 8251), (3122, 6956), (3478, 6244)]