21693856

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 44823240

約数和(自身を除く): 23129384

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 97, 116, 194, 232, 241, 388, 464, 482, 776, 928, 964, 1552, 1928, 2813, 3104, 3856, 5626, 6989, 7712, 11252, 13978, 22504, 23377, 27956, 45008, 46754, 55912, 90016, 93508, 111824, 187016, 223648, 374032, 677933, 748064, 1355866, 2711732, 5423464, 10846928, 21693856]

約数ペア:

[(1, 21693856), (2, 10846928), (4, 5423464), (8, 2711732), (16, 1355866), (29, 748064), (32, 677933), (58, 374032), (97, 223648), (116, 187016), (194, 111824), (232, 93508), (241, 90016), (388, 55912), (464, 46754), (482, 45008), (776, 27956), (928, 23377), (964, 22504), (1552, 13978), (1928, 11252), (2813, 7712), (3104, 6989), (3856, 5626)]