21063780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2090

約数の個数: 96

約数和(自身を含む): 69014400

約数和(自身を除く): 47950620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2053, 2565, 3420, 4106, 5130, 6159, 8212, 10260, 10265, 12318, 18477, 20530, 24636, 30795, 36954, 39007, 41060, 55431, 61590, 73908, 78014, 92385, 110862, 117021, 123180, 156028, 184770, 195035, 221724, 234042, 277155, 351063, 369540, 390070, 468084, 554310, 585105, 702126, 780140, 1053189, 1108620, 1170210, 1404252, 1755315, 2106378, 2340420, 3510630, 4212756, 5265945, 7021260, 10531890, 21063780]

約数ペア:

[(1, 21063780), (2, 10531890), (3, 7021260), (4, 5265945), (5, 4212756), (6, 3510630), (9, 2340420), (10, 2106378), (12, 1755315), (15, 1404252), (18, 1170210), (19, 1108620), (20, 1053189), (27, 780140), (30, 702126), (36, 585105), (38, 554310), (45, 468084), (54, 390070), (57, 369540), (60, 351063), (76, 277155), (90, 234042), (95, 221724), (108, 195035), (114, 184770), (135, 156028), (171, 123180), (180, 117021), (190, 110862), (228, 92385), (270, 78014), (285, 73908), (342, 61590), (380, 55431), (513, 41060), (540, 39007), (570, 36954), (684, 30795), (855, 24636), (1026, 20530), (1140, 18477), (1710, 12318), (2052, 10265), (2053, 10260), (2565, 8212), (3420, 6159), (4106, 5130)]