21534784

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19793}}^1$

素因数の和:19822

約数の個数: 28

約数和(自身を含む): 45249084

約数和(自身を除く): 23714300

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19793, 39586, 79172, 158344, 316688, 336481, 633376, 672962, 1266752, 1345924, 2691848, 5383696, 10767392, 21534784]

約数ペア:

[(1, 21534784), (2, 10767392), (4, 5383696), (8, 2691848), (16, 1345924), (17, 1266752), (32, 672962), (34, 633376), (64, 336481), (68, 316688), (136, 158344), (272, 79172), (544, 39586), (1088, 19793)]