21068340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18481}}^1$

素因数の和:18512

約数の個数: 48

約数和(自身を含む): 62099520

約数和(自身を除く): 41031180

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, 18481, 36962, 55443, 73924, 92405, 110886, 184810, 221772, 277215, 351139, 369620, 554430, 702278, 1053417, 1108860, 1404556, 1755695, 2106834, 3511390, 4213668, 5267085, 7022780, 10534170, 21068340]

約数ペア:

[(1, 21068340), (2, 10534170), (3, 7022780), (4, 5267085), (5, 4213668), (6, 3511390), (10, 2106834), (12, 1755695), (15, 1404556), (19, 1108860), (20, 1053417), (30, 702278), (38, 554430), (57, 369620), (60, 351139), (76, 277215), (95, 221772), (114, 184810), (190, 110886), (228, 92405), (285, 73924), (380, 55443), (570, 36962), (1140, 18481)]