21798592

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:233

約数の個数: 42

約数和(自身を含む): 44765468

約数和(自身を除く): 22966876

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 172, 178, 344, 356, 688, 712, 1376, 1424, 2752, 2848, 3827, 5696, 7654, 7921, 15308, 15842, 30616, 31684, 61232, 63368, 122464, 126736, 244928, 253472, 340603, 506944, 681206, 1362412, 2724824, 5449648, 10899296, 21798592]

約数ペア:

[(1, 21798592), (2, 10899296), (4, 5449648), (8, 2724824), (16, 1362412), (32, 681206), (43, 506944), (64, 340603), (86, 253472), (89, 244928), (172, 126736), (178, 122464), (344, 63368), (356, 61232), (688, 31684), (712, 30616), (1376, 15842), (1424, 15308), (2752, 7921), (2848, 7654), (3827, 5696)]