21293342

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 39485952

約数和(自身を除く): 18192610

約数列:

[1, 2, 7, 14, 31, 43, 49, 62, 86, 98, 163, 217, 301, 326, 434, 602, 1141, 1333, 1519, 2107, 2282, 2666, 3038, 4214, 5053, 7009, 7987, 9331, 10106, 14018, 15974, 18662, 35371, 49063, 65317, 70742, 98126, 130634, 217279, 247597, 343441, 434558, 495194, 686882, 1520953, 3041906, 10646671, 21293342]

約数ペア:

[(1, 21293342), (2, 10646671), (7, 3041906), (14, 1520953), (31, 686882), (43, 495194), (49, 434558), (62, 343441), (86, 247597), (98, 217279), (163, 130634), (217, 98126), (301, 70742), (326, 65317), (434, 49063), (602, 35371), (1141, 18662), (1333, 15974), (1519, 14018), (2107, 10106), (2282, 9331), (2666, 7987), (3038, 7009), (4214, 5053)]