21975730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 48833280

約数和(自身を除く): 26857550

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 59, 70, 85, 118, 119, 170, 238, 295, 313, 413, 590, 595, 626, 826, 1003, 1190, 1565, 2006, 2065, 2191, 3130, 4130, 4382, 5015, 5321, 7021, 10030, 10642, 10955, 14042, 18467, 21910, 26605, 35105, 36934, 37247, 53210, 70210, 74494, 92335, 129269, 184670, 186235, 258538, 313939, 372470, 627878, 646345, 1292690, 1569695, 2197573, 3139390, 4395146, 10987865, 21975730]

約数ペア:

[(1, 21975730), (2, 10987865), (5, 4395146), (7, 3139390), (10, 2197573), (14, 1569695), (17, 1292690), (34, 646345), (35, 627878), (59, 372470), (70, 313939), (85, 258538), (118, 186235), (119, 184670), (170, 129269), (238, 92335), (295, 74494), (313, 70210), (413, 53210), (590, 37247), (595, 36934), (626, 35105), (826, 26605), (1003, 21910), (1190, 18467), (1565, 14042), (2006, 10955), (2065, 10642), (2191, 10030), (3130, 7021), (4130, 5321), (4382, 5015)]