21504030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19373}}^1$

素因数の和:19420

約数の個数: 32

約数和(自身を含む): 53007264

約数和(自身を除く): 31503234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19373, 38746, 58119, 96865, 116238, 193730, 290595, 581190, 716801, 1433602, 2150403, 3584005, 4300806, 7168010, 10752015, 21504030]

約数ペア:

[(1, 21504030), (2, 10752015), (3, 7168010), (5, 4300806), (6, 3584005), (10, 2150403), (15, 1433602), (30, 716801), (37, 581190), (74, 290595), (111, 193730), (185, 116238), (222, 96865), (370, 58119), (555, 38746), (1110, 19373)]