21169800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 74958000

約数和(自身を除く): 53788200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 619, 684, 760, 855, 900, 950, 1140, 1238, 1368, 1425, 1710, 1800, 1857, 1900, 2280, 2476, 2850, 3095, 3420, 3714, 3800, 4275, 4952, 5571, 5700, 6190, 6840, 7428, 8550, 9285, 11142, 11400, 11761, 12380, 14856, 15475, 17100, 18570, 22284, 23522, 24760, 27855, 30950, 34200, 35283, 37140, 44568, 46425, 47044, 55710, 58805, 61900, 70566, 74280, 92850, 94088, 105849, 111420, 117610, 123800, 139275, 141132, 176415, 185700, 211698, 222840, 235220, 278550, 282264, 294025, 352830, 371400, 423396, 470440, 529245, 557100, 588050, 705660, 846792, 882075, 1058490, 1114200, 1176100, 1411320, 1764150, 2116980, 2352200, 2646225, 3528300, 4233960, 5292450, 7056600, 10584900, 21169800]

約数ペア:

[(1, 21169800), (2, 10584900), (3, 7056600), (4, 5292450), (5, 4233960), (6, 3528300), (8, 2646225), (9, 2352200), (10, 2116980), (12, 1764150), (15, 1411320), (18, 1176100), (19, 1114200), (20, 1058490), (24, 882075), (25, 846792), (30, 705660), (36, 588050), (38, 557100), (40, 529245), (45, 470440), (50, 423396), (57, 371400), (60, 352830), (72, 294025), (75, 282264), (76, 278550), (90, 235220), (95, 222840), (100, 211698), (114, 185700), (120, 176415), (150, 141132), (152, 139275), (171, 123800), (180, 117610), (190, 111420), (200, 105849), (225, 94088), (228, 92850), (285, 74280), (300, 70566), (342, 61900), (360, 58805), (380, 55710), (450, 47044), (456, 46425), (475, 44568), (570, 37140), (600, 35283), (619, 34200), (684, 30950), (760, 27855), (855, 24760), (900, 23522), (950, 22284), (1140, 18570), (1238, 17100), (1368, 15475), (1425, 14856), (1710, 12380), (1800, 11761), (1857, 11400), (1900, 11142), (2280, 9285), (2476, 8550), (2850, 7428), (3095, 6840), (3420, 6190), (3714, 5700), (3800, 5571), (4275, 4952)]