21204750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^2\times {\mathrm{577}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 61674912

約数和(自身を除く): 40470162

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 125, 147, 150, 175, 210, 245, 250, 294, 350, 375, 490, 525, 577, 735, 750, 875, 1050, 1154, 1225, 1470, 1731, 1750, 2450, 2625, 2885, 3462, 3675, 4039, 5250, 5770, 6125, 7350, 8078, 8655, 12117, 12250, 14425, 17310, 18375, 20195, 24234, 28273, 28850, 36750, 40390, 43275, 56546, 60585, 72125, 84819, 86550, 100975, 121170, 141365, 144250, 169638, 201950, 216375, 282730, 302925, 424095, 432750, 504875, 605850, 706825, 848190, 1009750, 1413650, 1514625, 2120475, 3029250, 3534125, 4240950, 7068250, 10602375, 21204750]

約数ペア:

[(1, 21204750), (2, 10602375), (3, 7068250), (5, 4240950), (6, 3534125), (7, 3029250), (10, 2120475), (14, 1514625), (15, 1413650), (21, 1009750), (25, 848190), (30, 706825), (35, 605850), (42, 504875), (49, 432750), (50, 424095), (70, 302925), (75, 282730), (98, 216375), (105, 201950), (125, 169638), (147, 144250), (150, 141365), (175, 121170), (210, 100975), (245, 86550), (250, 84819), (294, 72125), (350, 60585), (375, 56546), (490, 43275), (525, 40390), (577, 36750), (735, 28850), (750, 28273), (875, 24234), (1050, 20195), (1154, 18375), (1225, 17310), (1470, 14425), (1731, 12250), (1750, 12117), (2450, 8655), (2625, 8078), (2885, 7350), (3462, 6125), (3675, 5770), (4039, 5250)]