21886240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3697}}^1$

素因数の和:3749

約数の個数: 48

約数和(自身を含む): 53118072

約数和(自身を除く): 31231832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3697, 5920, 7394, 14788, 18485, 29576, 36970, 59152, 73940, 118304, 136789, 147880, 273578, 295760, 547156, 591520, 683945, 1094312, 1367890, 2188624, 2735780, 4377248, 5471560, 10943120, 21886240]

約数ペア:

[(1, 21886240), (2, 10943120), (4, 5471560), (5, 4377248), (8, 2735780), (10, 2188624), (16, 1367890), (20, 1094312), (32, 683945), (37, 591520), (40, 547156), (74, 295760), (80, 273578), (148, 147880), (160, 136789), (185, 118304), (296, 73940), (370, 59152), (592, 36970), (740, 29576), (1184, 18485), (1480, 14788), (2960, 7394), (3697, 5920)]