21409200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 180

約数和(自身を含む): 78456040

約数和(自身を除く): 57046840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 313, 342, 360, 380, 400, 450, 456, 475, 570, 600, 626, 684, 720, 760, 855, 900, 912, 939, 950, 1140, 1200, 1252, 1368, 1425, 1520, 1565, 1710, 1800, 1878, 1900, 2280, 2504, 2736, 2817, 2850, 3130, 3420, 3600, 3756, 3800, 4275, 4560, 4695, 5008, 5634, 5700, 5947, 6260, 6840, 7512, 7600, 7825, 8550, 9390, 11268, 11400, 11894, 12520, 13680, 14085, 15024, 15650, 17100, 17841, 18780, 22536, 22800, 23475, 23788, 25040, 28170, 29735, 31300, 34200, 35682, 37560, 45072, 46950, 47576, 53523, 56340, 59470, 62600, 68400, 70425, 71364, 75120, 89205, 93900, 95152, 107046, 112680, 118940, 125200, 140850, 142728, 148675, 178410, 187800, 214092, 225360, 237880, 267615, 281700, 285456, 297350, 356820, 375600, 428184, 446025, 475760, 535230, 563400, 594700, 713640, 856368, 892050, 1070460, 1126800, 1189400, 1338075, 1427280, 1784100, 2140920, 2378800, 2676150, 3568200, 4281840, 5352300, 7136400, 10704600, 21409200]

約数ペア:

[(1, 21409200), (2, 10704600), (3, 7136400), (4, 5352300), (5, 4281840), (6, 3568200), (8, 2676150), (9, 2378800), (10, 2140920), (12, 1784100), (15, 1427280), (16, 1338075), (18, 1189400), (19, 1126800), (20, 1070460), (24, 892050), (25, 856368), (30, 713640), (36, 594700), (38, 563400), (40, 535230), (45, 475760), (48, 446025), (50, 428184), (57, 375600), (60, 356820), (72, 297350), (75, 285456), (76, 281700), (80, 267615), (90, 237880), (95, 225360), (100, 214092), (114, 187800), (120, 178410), (144, 148675), (150, 142728), (152, 140850), (171, 125200), (180, 118940), (190, 112680), (200, 107046), (225, 95152), (228, 93900), (240, 89205), (285, 75120), (300, 71364), (304, 70425), (313, 68400), (342, 62600), (360, 59470), (380, 56340), (400, 53523), (450, 47576), (456, 46950), (475, 45072), (570, 37560), (600, 35682), (626, 34200), (684, 31300), (720, 29735), (760, 28170), (855, 25040), (900, 23788), (912, 23475), (939, 22800), (950, 22536), (1140, 18780), (1200, 17841), (1252, 17100), (1368, 15650), (1425, 15024), (1520, 14085), (1565, 13680), (1710, 12520), (1800, 11894), (1878, 11400), (1900, 11268), (2280, 9390), (2504, 8550), (2736, 7825), (2817, 7600), (2850, 7512), (3130, 6840), (3420, 6260), (3600, 5947), (3756, 5700), (3800, 5634), (4275, 5008), (4560, 4695)]