21486416

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 52377600

約数和(自身を除く): 30891184

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 437, 439, 532, 644, 874, 878, 1064, 1288, 1748, 1756, 2128, 2576, 3059, 3073, 3496, 3512, 6118, 6146, 6992, 7024, 8341, 10097, 12236, 12292, 16682, 20194, 24472, 24584, 33364, 40388, 48944, 49168, 58387, 66728, 70679, 80776, 116774, 133456, 141358, 161552, 191843, 233548, 282716, 383686, 467096, 565432, 767372, 934192, 1130864, 1342901, 1534744, 2685802, 3069488, 5371604, 10743208, 21486416]

約数ペア:

[(1, 21486416), (2, 10743208), (4, 5371604), (7, 3069488), (8, 2685802), (14, 1534744), (16, 1342901), (19, 1130864), (23, 934192), (28, 767372), (38, 565432), (46, 467096), (56, 383686), (76, 282716), (92, 233548), (112, 191843), (133, 161552), (152, 141358), (161, 133456), (184, 116774), (266, 80776), (304, 70679), (322, 66728), (368, 58387), (437, 49168), (439, 48944), (532, 40388), (644, 33364), (874, 24584), (878, 24472), (1064, 20194), (1288, 16682), (1748, 12292), (1756, 12236), (2128, 10097), (2576, 8341), (3059, 7024), (3073, 6992), (3496, 6146), (3512, 6118)]