21998922

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 29633718

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 53, 57, 66, 106, 114, 159, 209, 318, 331, 418, 583, 627, 662, 993, 1007, 1166, 1254, 1749, 1986, 2014, 3021, 3498, 3641, 6042, 6289, 7282, 10923, 11077, 12578, 17543, 18867, 21846, 22154, 33231, 35086, 37734, 52629, 66462, 69179, 105258, 138358, 192973, 207537, 333317, 385946, 415074, 578919, 666634, 999951, 1157838, 1999902, 3666487, 7332974, 10999461, 21998922]

約数ペア:

[(1, 21998922), (2, 10999461), (3, 7332974), (6, 3666487), (11, 1999902), (19, 1157838), (22, 999951), (33, 666634), (38, 578919), (53, 415074), (57, 385946), (66, 333317), (106, 207537), (114, 192973), (159, 138358), (209, 105258), (318, 69179), (331, 66462), (418, 52629), (583, 37734), (627, 35086), (662, 33231), (993, 22154), (1007, 21846), (1166, 18867), (1254, 17543), (1749, 12578), (1986, 11077), (2014, 10923), (3021, 7282), (3498, 6289), (3641, 6042)]