21841930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 23880950

約数列:

[1, 2, 5, 10, 11, 22, 29, 41, 55, 58, 82, 110, 145, 167, 205, 290, 319, 334, 410, 451, 638, 835, 902, 1189, 1595, 1670, 1837, 2255, 2378, 3190, 3674, 4510, 4843, 5945, 6847, 9185, 9686, 11890, 13079, 13694, 18370, 24215, 26158, 34235, 48430, 53273, 65395, 68470, 75317, 106546, 130790, 150634, 198563, 266365, 376585, 397126, 532730, 753170, 992815, 1985630, 2184193, 4368386, 10920965, 21841930]

約数ペア:

[(1, 21841930), (2, 10920965), (5, 4368386), (10, 2184193), (11, 1985630), (22, 992815), (29, 753170), (41, 532730), (55, 397126), (58, 376585), (82, 266365), (110, 198563), (145, 150634), (167, 130790), (205, 106546), (290, 75317), (319, 68470), (334, 65395), (410, 53273), (451, 48430), (638, 34235), (835, 26158), (902, 24215), (1189, 18370), (1595, 13694), (1670, 13079), (1837, 11890), (2255, 9686), (2378, 9185), (3190, 6847), (3674, 5945), (4510, 4843)]