21947008

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5576

約数の個数: 32

約数和(自身を含む): 45141120

約数和(自身を除く): 23194112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5531, 11062, 22124, 44248, 88496, 171461, 176992, 342922, 353984, 685844, 707968, 1371688, 2743376, 5486752, 10973504, 21947008]

約数ペア:

[(1, 21947008), (2, 10973504), (4, 5486752), (8, 2743376), (16, 1371688), (31, 707968), (32, 685844), (62, 353984), (64, 342922), (124, 176992), (128, 171461), (248, 88496), (496, 44248), (992, 22124), (1984, 11062), (3968, 5531)]