21949844

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2113}}^1$

素因数の和:2184

約数の個数: 36

約数和(自身を含む): 45548244

約数和(自身を除く): 23598400

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2113, 2597, 4226, 5194, 8452, 10388, 14791, 29582, 59164, 103537, 111989, 207074, 223978, 414148, 447956, 783923, 1567846, 3135692, 5487461, 10974922, 21949844]

約数ペア:

[(1, 21949844), (2, 10974922), (4, 5487461), (7, 3135692), (14, 1567846), (28, 783923), (49, 447956), (53, 414148), (98, 223978), (106, 207074), (196, 111989), (212, 103537), (371, 59164), (742, 29582), (1484, 14791), (2113, 10388), (2597, 8452), (4226, 5194)]