21549344

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 47381040

約数和(自身を除く): 25831696

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 67, 76, 92, 134, 152, 184, 268, 304, 368, 437, 529, 536, 608, 736, 874, 1058, 1072, 1273, 1541, 1748, 2116, 2144, 2546, 3082, 3496, 4232, 5092, 6164, 6992, 8464, 10051, 10184, 12328, 13984, 16928, 20102, 20368, 24656, 29279, 35443, 40204, 40736, 49312, 58558, 70886, 80408, 117116, 141772, 160816, 234232, 283544, 321632, 468464, 567088, 673417, 936928, 1134176, 1346834, 2693668, 5387336, 10774672, 21549344]

約数ペア:

[(1, 21549344), (2, 10774672), (4, 5387336), (8, 2693668), (16, 1346834), (19, 1134176), (23, 936928), (32, 673417), (38, 567088), (46, 468464), (67, 321632), (76, 283544), (92, 234232), (134, 160816), (152, 141772), (184, 117116), (268, 80408), (304, 70886), (368, 58558), (437, 49312), (529, 40736), (536, 40204), (608, 35443), (736, 29279), (874, 24656), (1058, 20368), (1072, 20102), (1273, 16928), (1541, 13984), (1748, 12328), (2116, 10184), (2144, 10051), (2546, 8464), (3082, 6992), (3496, 6164), (4232, 5092)]