21282272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 24948640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 103, 176, 206, 352, 412, 587, 824, 1133, 1174, 1648, 2266, 2348, 3296, 4532, 4696, 6457, 9064, 9392, 12914, 18128, 18784, 25828, 36256, 51656, 60461, 103312, 120922, 206624, 241844, 483688, 665071, 967376, 1330142, 1934752, 2660284, 5320568, 10641136, 21282272]

約数ペア:

[(1, 21282272), (2, 10641136), (4, 5320568), (8, 2660284), (11, 1934752), (16, 1330142), (22, 967376), (32, 665071), (44, 483688), (88, 241844), (103, 206624), (176, 120922), (206, 103312), (352, 60461), (412, 51656), (587, 36256), (824, 25828), (1133, 18784), (1174, 18128), (1648, 12914), (2266, 9392), (2348, 9064), (3296, 6457), (4532, 4696)]