21540750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 67212288

約数和(自身を除く): 45671538

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 125, 150, 154, 165, 175, 210, 231, 250, 275, 330, 350, 373, 375, 385, 462, 525, 550, 746, 750, 770, 825, 875, 1050, 1119, 1155, 1375, 1650, 1750, 1865, 1925, 2238, 2310, 2611, 2625, 2750, 3730, 3850, 4103, 4125, 5222, 5250, 5595, 5775, 7833, 8206, 8250, 9325, 9625, 11190, 11550, 12309, 13055, 15666, 18650, 19250, 20515, 24618, 26110, 27975, 28721, 28875, 39165, 41030, 46625, 55950, 57442, 57750, 61545, 65275, 78330, 86163, 93250, 102575, 123090, 130550, 139875, 143605, 172326, 195825, 205150, 279750, 287210, 307725, 326375, 391650, 430815, 512875, 615450, 652750, 718025, 861630, 979125, 1025750, 1436050, 1538625, 1958250, 2154075, 3077250, 3590125, 4308150, 7180250, 10770375, 21540750]

約数ペア:

[(1, 21540750), (2, 10770375), (3, 7180250), (5, 4308150), (6, 3590125), (7, 3077250), (10, 2154075), (11, 1958250), (14, 1538625), (15, 1436050), (21, 1025750), (22, 979125), (25, 861630), (30, 718025), (33, 652750), (35, 615450), (42, 512875), (50, 430815), (55, 391650), (66, 326375), (70, 307725), (75, 287210), (77, 279750), (105, 205150), (110, 195825), (125, 172326), (150, 143605), (154, 139875), (165, 130550), (175, 123090), (210, 102575), (231, 93250), (250, 86163), (275, 78330), (330, 65275), (350, 61545), (373, 57750), (375, 57442), (385, 55950), (462, 46625), (525, 41030), (550, 39165), (746, 28875), (750, 28721), (770, 27975), (825, 26110), (875, 24618), (1050, 20515), (1119, 19250), (1155, 18650), (1375, 15666), (1650, 13055), (1750, 12309), (1865, 11550), (1925, 11190), (2238, 9625), (2310, 9325), (2611, 8250), (2625, 8206), (2750, 7833), (3730, 5775), (3850, 5595), (4103, 5250), (4125, 5222)]