21327584

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6871}}^1$

素因数の和:6978

約数の個数: 24

約数和(自身を含む): 42427728

約数和(自身を除く): 21100144

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6871, 13742, 27484, 54968, 109936, 219872, 666487, 1332974, 2665948, 5331896, 10663792, 21327584]

約数ペア:

[(1, 21327584), (2, 10663792), (4, 5331896), (8, 2665948), (16, 1332974), (32, 666487), (97, 219872), (194, 109936), (388, 54968), (776, 27484), (1552, 13742), (3104, 6871)]