21548656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 44528400

約数和(自身を除く): 22979744

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 227, 272, 349, 454, 698, 908, 1396, 1816, 2792, 3632, 3859, 5584, 5933, 7718, 11866, 15436, 23732, 30872, 47464, 61744, 79223, 94928, 158446, 316892, 633784, 1267568, 1346791, 2693582, 5387164, 10774328, 21548656]

約数ペア:

[(1, 21548656), (2, 10774328), (4, 5387164), (8, 2693582), (16, 1346791), (17, 1267568), (34, 633784), (68, 316892), (136, 158446), (227, 94928), (272, 79223), (349, 61744), (454, 47464), (698, 30872), (908, 23732), (1396, 15436), (1816, 11866), (2792, 7718), (3632, 5933), (3859, 5584)]