20212111136

素因数分解:

$2^5\times 7^2\times {\mathrm{739}}^1\times {\mathrm{17443}}^1$

素因数の和:18206

約数の個数: 72

約数和(自身を含む): 46354638960

約数和(自身を除く): 26142527824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 739, 784, 1478, 1568, 2956, 5173, 5912, 10346, 11824, 17443, 20692, 23648, 34886, 36211, 41384, 69772, 72422, 82768, 122101, 139544, 144844, 165536, 244202, 279088, 289688, 488404, 558176, 579376, 854707, 976808, 1158752, 1709414, 1953616, 3418828, 3907232, 6837656, 12890377, 13675312, 25780754, 27350624, 51561508, 90232639, 103123016, 180465278, 206246032, 360930556, 412492064, 631628473, 721861112, 1263256946, 1443722224, 2526513892, 2887444448, 5053027784, 10106055568, 20212111136]

約数ペア:

[(1, 20212111136), (2, 10106055568), (4, 5053027784), (7, 2887444448), (8, 2526513892), (14, 1443722224), (16, 1263256946), (28, 721861112), (32, 631628473), (49, 412492064), (56, 360930556), (98, 206246032), (112, 180465278), (196, 103123016), (224, 90232639), (392, 51561508), (739, 27350624), (784, 25780754), (1478, 13675312), (1568, 12890377), (2956, 6837656), (5173, 3907232), (5912, 3418828), (10346, 1953616), (11824, 1709414), (17443, 1158752), (20692, 976808), (23648, 854707), (34886, 579376), (36211, 558176), (41384, 488404), (69772, 289688), (72422, 279088), (82768, 244202), (122101, 165536), (139544, 144844)]