21973500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 73251360

約数和(自身を除く): 51277860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 257, 285, 300, 342, 375, 380, 450, 475, 500, 514, 570, 684, 750, 771, 855, 900, 950, 1028, 1125, 1140, 1285, 1425, 1500, 1542, 1710, 1900, 2250, 2313, 2375, 2570, 2850, 3084, 3420, 3855, 4275, 4500, 4626, 4750, 4883, 5140, 5700, 6425, 7125, 7710, 8550, 9252, 9500, 9766, 11565, 12850, 14250, 14649, 15420, 17100, 19275, 19532, 21375, 23130, 24415, 25700, 28500, 29298, 32125, 38550, 42750, 43947, 46260, 48830, 57825, 58596, 64250, 73245, 77100, 85500, 87894, 96375, 97660, 115650, 122075, 128500, 146490, 175788, 192750, 219735, 231300, 244150, 289125, 292980, 366225, 385500, 439470, 488300, 578250, 610375, 732450, 878940, 1098675, 1156500, 1220750, 1464900, 1831125, 2197350, 2441500, 3662250, 4394700, 5493375, 7324500, 10986750, 21973500]

約数ペア:

[(1, 21973500), (2, 10986750), (3, 7324500), (4, 5493375), (5, 4394700), (6, 3662250), (9, 2441500), (10, 2197350), (12, 1831125), (15, 1464900), (18, 1220750), (19, 1156500), (20, 1098675), (25, 878940), (30, 732450), (36, 610375), (38, 578250), (45, 488300), (50, 439470), (57, 385500), (60, 366225), (75, 292980), (76, 289125), (90, 244150), (95, 231300), (100, 219735), (114, 192750), (125, 175788), (150, 146490), (171, 128500), (180, 122075), (190, 115650), (225, 97660), (228, 96375), (250, 87894), (257, 85500), (285, 77100), (300, 73245), (342, 64250), (375, 58596), (380, 57825), (450, 48830), (475, 46260), (500, 43947), (514, 42750), (570, 38550), (684, 32125), (750, 29298), (771, 28500), (855, 25700), (900, 24415), (950, 23130), (1028, 21375), (1125, 19532), (1140, 19275), (1285, 17100), (1425, 15420), (1500, 14649), (1542, 14250), (1710, 12850), (1900, 11565), (2250, 9766), (2313, 9500), (2375, 9252), (2570, 8550), (2850, 7710), (3084, 7125), (3420, 6425), (3855, 5700), (4275, 5140), (4500, 4883), (4626, 4750)]