21700350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{83}}^2$

素因数の和:191

約数の個数: 108

約数和(自身を含む): 67442856

約数和(自身を除く): 45742506

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 83, 90, 105, 126, 150, 166, 175, 210, 225, 249, 315, 350, 415, 450, 498, 525, 581, 630, 747, 830, 1050, 1162, 1245, 1494, 1575, 1743, 2075, 2490, 2905, 3150, 3486, 3735, 4150, 5229, 5810, 6225, 6889, 7470, 8715, 10458, 12450, 13778, 14525, 17430, 18675, 20667, 26145, 29050, 34445, 37350, 41334, 43575, 48223, 52290, 62001, 68890, 87150, 96446, 103335, 124002, 130725, 144669, 172225, 206670, 241115, 261450, 289338, 310005, 344450, 434007, 482230, 516675, 620010, 723345, 868014, 1033350, 1205575, 1446690, 1550025, 2170035, 2411150, 3100050, 3616725, 4340070, 7233450, 10850175, 21700350]

約数ペア:

[(1, 21700350), (2, 10850175), (3, 7233450), (5, 4340070), (6, 3616725), (7, 3100050), (9, 2411150), (10, 2170035), (14, 1550025), (15, 1446690), (18, 1205575), (21, 1033350), (25, 868014), (30, 723345), (35, 620010), (42, 516675), (45, 482230), (50, 434007), (63, 344450), (70, 310005), (75, 289338), (83, 261450), (90, 241115), (105, 206670), (126, 172225), (150, 144669), (166, 130725), (175, 124002), (210, 103335), (225, 96446), (249, 87150), (315, 68890), (350, 62001), (415, 52290), (450, 48223), (498, 43575), (525, 41334), (581, 37350), (630, 34445), (747, 29050), (830, 26145), (1050, 20667), (1162, 18675), (1245, 17430), (1494, 14525), (1575, 13778), (1743, 12450), (2075, 10458), (2490, 8715), (2905, 7470), (3150, 6889), (3486, 6225), (3735, 5810), (4150, 5229)]