21190684030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3457}}^1\times {\mathrm{16567}}^1$

素因数の和:20068

約数の個数: 32

約数和(自身を含む): 39187826496

約数和(自身を除く): 17997142466

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 3457, 6914, 16567, 17285, 33134, 34570, 82835, 127909, 165670, 255818, 612979, 639545, 1225958, 1279090, 3064895, 6129790, 57272119, 114544238, 286360595, 572721190, 2119068403, 4238136806, 10595342015, 21190684030]

約数ペア:

[(1, 21190684030), (2, 10595342015), (5, 4238136806), (10, 2119068403), (37, 572721190), (74, 286360595), (185, 114544238), (370, 57272119), (3457, 6129790), (6914, 3064895), (16567, 1279090), (17285, 1225958), (33134, 639545), (34570, 612979), (82835, 255818), (127909, 165670)]