21639674

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 19728646

約数列:

[1, 2, 7, 14, 17, 31, 34, 49, 62, 98, 119, 217, 238, 419, 434, 527, 833, 838, 1054, 1519, 1666, 2933, 3038, 3689, 5866, 7123, 7378, 12989, 14246, 20531, 25823, 25978, 41062, 49861, 51646, 90923, 99722, 181846, 220813, 349027, 441626, 636461, 698054, 1272922, 1545691, 3091382, 10819837, 21639674]

約数ペア:

[(1, 21639674), (2, 10819837), (7, 3091382), (14, 1545691), (17, 1272922), (31, 698054), (34, 636461), (49, 441626), (62, 349027), (98, 220813), (119, 181846), (217, 99722), (238, 90923), (419, 51646), (434, 49861), (527, 41062), (833, 25978), (838, 25823), (1054, 20531), (1519, 14246), (1666, 12989), (2933, 7378), (3038, 7123), (3689, 5866)]