21959742

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 51620112

約数和(自身を除く): 29660370

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 113, 147, 226, 294, 339, 661, 678, 791, 1322, 1582, 1983, 2373, 3966, 4627, 4746, 5537, 9254, 11074, 13881, 16611, 27762, 32389, 33222, 64778, 74693, 97167, 149386, 194334, 224079, 448158, 522851, 1045702, 1568553, 3137106, 3659957, 7319914, 10979871, 21959742]

約数ペア:

[(1, 21959742), (2, 10979871), (3, 7319914), (6, 3659957), (7, 3137106), (14, 1568553), (21, 1045702), (42, 522851), (49, 448158), (98, 224079), (113, 194334), (147, 149386), (226, 97167), (294, 74693), (339, 64778), (661, 33222), (678, 32389), (791, 27762), (1322, 16611), (1582, 13881), (1983, 11074), (2373, 9254), (3966, 5537), (4627, 4746)]