21544908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3331}}^1$

素因数の和:3363

約数の個数: 72

約数和(自身を含む): 63814464

約数和(自身を除く): 42269556

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 3331, 6468, 6662, 9993, 13324, 19986, 23317, 36641, 39972, 46634, 69951, 73282, 93268, 109923, 139902, 146564, 163219, 219846, 256487, 279804, 326438, 439692, 489657, 512974, 652876, 769461, 979314, 1025948, 1538922, 1795409, 1958628, 3077844, 3590818, 5386227, 7181636, 10772454, 21544908]

約数ペア:

[(1, 21544908), (2, 10772454), (3, 7181636), (4, 5386227), (6, 3590818), (7, 3077844), (11, 1958628), (12, 1795409), (14, 1538922), (21, 1025948), (22, 979314), (28, 769461), (33, 652876), (42, 512974), (44, 489657), (49, 439692), (66, 326438), (77, 279804), (84, 256487), (98, 219846), (132, 163219), (147, 146564), (154, 139902), (196, 109923), (231, 93268), (294, 73282), (308, 69951), (462, 46634), (539, 39972), (588, 36641), (924, 23317), (1078, 19986), (1617, 13324), (2156, 9993), (3234, 6662), (3331, 6468)]