21159642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8539}}^1$

素因数の和:8610

約数の個数: 32

約数和(自身を含む): 49190400

約数和(自身を除く): 28030758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8539, 17078, 25617, 51234, 59773, 119546, 179319, 358638, 503801, 1007602, 1511403, 3022806, 3526607, 7053214, 10579821, 21159642]

約数ペア:

[(1, 21159642), (2, 10579821), (3, 7053214), (6, 3526607), (7, 3022806), (14, 1511403), (21, 1007602), (42, 503801), (59, 358638), (118, 179319), (177, 119546), (354, 59773), (413, 51234), (826, 25617), (1239, 17078), (2478, 8539)]