21537568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 47670336

約数和(自身を除く): 26132768

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2251, 2392, 4502, 4784, 9004, 9568, 18008, 29263, 36016, 51773, 58526, 72032, 103546, 117052, 207092, 234104, 414184, 468208, 673049, 828368, 936416, 1346098, 1656736, 2692196, 5384392, 10768784, 21537568]

約数ペア:

[(1, 21537568), (2, 10768784), (4, 5384392), (8, 2692196), (13, 1656736), (16, 1346098), (23, 936416), (26, 828368), (32, 673049), (46, 468208), (52, 414184), (92, 234104), (104, 207092), (184, 117052), (208, 103546), (299, 72032), (368, 58526), (416, 51773), (598, 36016), (736, 29263), (1196, 18008), (2251, 9568), (2392, 9004), (4502, 4784)]