21614020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2524

約数の個数: 48

約数和(自身を含む): 49875840

約数和(自身を除く): 28261820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2473, 4370, 4946, 8740, 9892, 12365, 24730, 46987, 49460, 56879, 93974, 113758, 187948, 227516, 234935, 284395, 469870, 568790, 939740, 1080701, 1137580, 2161402, 4322804, 5403505, 10807010, 21614020]

約数ペア:

[(1, 21614020), (2, 10807010), (4, 5403505), (5, 4322804), (10, 2161402), (19, 1137580), (20, 1080701), (23, 939740), (38, 568790), (46, 469870), (76, 284395), (92, 234935), (95, 227516), (115, 187948), (190, 113758), (230, 93974), (380, 56879), (437, 49460), (460, 46987), (874, 24730), (1748, 12365), (2185, 9892), (2473, 8740), (4370, 4946)]