21588750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 120

約数和(自身を含む): 62136360

約数和(自身を除く): 40547610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 101, 114, 125, 150, 171, 190, 202, 225, 250, 285, 303, 342, 375, 450, 475, 505, 570, 606, 625, 750, 855, 909, 950, 1010, 1125, 1250, 1425, 1515, 1710, 1818, 1875, 1919, 2250, 2375, 2525, 2850, 3030, 3750, 3838, 4275, 4545, 4750, 5050, 5625, 5757, 7125, 7575, 8550, 9090, 9595, 11250, 11514, 11875, 12625, 14250, 15150, 17271, 19190, 21375, 22725, 23750, 25250, 28785, 34542, 35625, 37875, 42750, 45450, 47975, 57570, 63125, 71250, 75750, 86355, 95950, 106875, 113625, 126250, 143925, 172710, 189375, 213750, 227250, 239875, 287850, 378750, 431775, 479750, 568125, 719625, 863550, 1136250, 1199375, 1439250, 2158875, 2398750, 3598125, 4317750, 7196250, 10794375, 21588750]

約数ペア:

[(1, 21588750), (2, 10794375), (3, 7196250), (5, 4317750), (6, 3598125), (9, 2398750), (10, 2158875), (15, 1439250), (18, 1199375), (19, 1136250), (25, 863550), (30, 719625), (38, 568125), (45, 479750), (50, 431775), (57, 378750), (75, 287850), (90, 239875), (95, 227250), (101, 213750), (114, 189375), (125, 172710), (150, 143925), (171, 126250), (190, 113625), (202, 106875), (225, 95950), (250, 86355), (285, 75750), (303, 71250), (342, 63125), (375, 57570), (450, 47975), (475, 45450), (505, 42750), (570, 37875), (606, 35625), (625, 34542), (750, 28785), (855, 25250), (909, 23750), (950, 22725), (1010, 21375), (1125, 19190), (1250, 17271), (1425, 15150), (1515, 14250), (1710, 12625), (1818, 11875), (1875, 11514), (1919, 11250), (2250, 9595), (2375, 9090), (2525, 8550), (2850, 7575), (3030, 7125), (3750, 5757), (3838, 5625), (4275, 5050), (4545, 4750)]