21741632

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:459

約数の個数: 56

約数和(自身を含む): 47731680

約数和(自身を除く): 25990048

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 176, 178, 347, 352, 356, 694, 704, 712, 979, 1388, 1424, 1958, 2776, 2848, 3817, 3916, 5552, 5696, 7634, 7832, 11104, 15268, 15664, 22208, 30536, 30883, 31328, 61072, 61766, 62656, 122144, 123532, 244288, 247064, 339713, 494128, 679426, 988256, 1358852, 1976512, 2717704, 5435408, 10870816, 21741632]

約数ペア:

[(1, 21741632), (2, 10870816), (4, 5435408), (8, 2717704), (11, 1976512), (16, 1358852), (22, 988256), (32, 679426), (44, 494128), (64, 339713), (88, 247064), (89, 244288), (176, 123532), (178, 122144), (347, 62656), (352, 61766), (356, 61072), (694, 31328), (704, 30883), (712, 30536), (979, 22208), (1388, 15664), (1424, 15268), (1958, 11104), (2776, 7832), (2848, 7634), (3817, 5696), (3916, 5552)]