21629220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18973}}^1$

素因数の和:19004

約数の個数: 48

約数和(自身を含む): 63752640

約数和(自身を除く): 42123420

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, 18973, 37946, 56919, 75892, 94865, 113838, 189730, 227676, 284595, 360487, 379460, 569190, 720974, 1081461, 1138380, 1441948, 1802435, 2162922, 3604870, 4325844, 5407305, 7209740, 10814610, 21629220]

約数ペア:

[(1, 21629220), (2, 10814610), (3, 7209740), (4, 5407305), (5, 4325844), (6, 3604870), (10, 2162922), (12, 1802435), (15, 1441948), (19, 1138380), (20, 1081461), (30, 720974), (38, 569190), (57, 379460), (60, 360487), (76, 284595), (95, 227676), (114, 189730), (190, 113838), (228, 94865), (285, 75892), (380, 56919), (570, 37946), (1140, 18973)]