21310112

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 24195040

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 136, 172, 272, 344, 544, 688, 731, 911, 1376, 1462, 1822, 2924, 3644, 5848, 7288, 11696, 14576, 15487, 23392, 29152, 30974, 39173, 61948, 78346, 123896, 156692, 247792, 313384, 495584, 626768, 665941, 1253536, 1331882, 2663764, 5327528, 10655056, 21310112]

約数ペア:

[(1, 21310112), (2, 10655056), (4, 5327528), (8, 2663764), (16, 1331882), (17, 1253536), (32, 665941), (34, 626768), (43, 495584), (68, 313384), (86, 247792), (136, 156692), (172, 123896), (272, 78346), (344, 61948), (544, 39173), (688, 30974), (731, 29152), (911, 23392), (1376, 15487), (1462, 14576), (1822, 11696), (2924, 7288), (3644, 5848)]