21750060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19079}}^1$

素因数の和:19110

約数の個数: 48

約数和(自身を含む): 64108800

約数和(自身を除く): 42358740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19079, 38158, 57237, 76316, 95395, 114474, 190790, 228948, 286185, 362501, 381580, 572370, 725002, 1087503, 1144740, 1450004, 1812505, 2175006, 3625010, 4350012, 5437515, 7250020, 10875030, 21750060]

約数ペア:

[(1, 21750060), (2, 10875030), (3, 7250020), (4, 5437515), (5, 4350012), (6, 3625010), (10, 2175006), (12, 1812505), (15, 1450004), (19, 1144740), (20, 1087503), (30, 725002), (38, 572370), (57, 381580), (60, 362501), (76, 286185), (95, 228948), (114, 190790), (190, 114474), (228, 95395), (285, 76316), (380, 57237), (570, 38158), (1140, 19079)]