21923944

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 49443840

約数和(自身を除く): 27519896

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 73, 124, 146, 173, 217, 248, 292, 346, 434, 511, 584, 692, 868, 1022, 1211, 1384, 1736, 2044, 2263, 2422, 4088, 4526, 4844, 5363, 9052, 9688, 10726, 12629, 15841, 18104, 21452, 25258, 31682, 37541, 42904, 50516, 63364, 75082, 88403, 101032, 126728, 150164, 176806, 300328, 353612, 391499, 707224, 782998, 1565996, 2740493, 3131992, 5480986, 10961972, 21923944]

約数ペア:

[(1, 21923944), (2, 10961972), (4, 5480986), (7, 3131992), (8, 2740493), (14, 1565996), (28, 782998), (31, 707224), (56, 391499), (62, 353612), (73, 300328), (124, 176806), (146, 150164), (173, 126728), (217, 101032), (248, 88403), (292, 75082), (346, 63364), (434, 50516), (511, 42904), (584, 37541), (692, 31682), (868, 25258), (1022, 21452), (1211, 18104), (1384, 15841), (1736, 12629), (2044, 10726), (2263, 9688), (2422, 9052), (4088, 5363), (4526, 4844)]