21195678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26561}}^1$

素因数の和:26592

約数の個数: 32

約数和(自身を含む): 50999040

約数和(自身を除く): 29803362

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26561, 53122, 79683, 159366, 185927, 371854, 504659, 557781, 1009318, 1115562, 1513977, 3027954, 3532613, 7065226, 10597839, 21195678]

約数ペア:

[(1, 21195678), (2, 10597839), (3, 7065226), (6, 3532613), (7, 3027954), (14, 1513977), (19, 1115562), (21, 1009318), (38, 557781), (42, 504659), (57, 371854), (114, 185927), (133, 159366), (266, 79683), (399, 53122), (798, 26561)]