21110460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50263}}^1$

素因数の和:50282

約数の個数: 48

約数和(自身を含む): 67554816

約数和(自身を除く): 46444356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50263, 100526, 150789, 201052, 251315, 301578, 351841, 502630, 603156, 703682, 753945, 1005260, 1055523, 1407364, 1507890, 1759205, 2111046, 3015780, 3518410, 4222092, 5277615, 7036820, 10555230, 21110460]

約数ペア:

[(1, 21110460), (2, 10555230), (3, 7036820), (4, 5277615), (5, 4222092), (6, 3518410), (7, 3015780), (10, 2111046), (12, 1759205), (14, 1507890), (15, 1407364), (20, 1055523), (21, 1005260), (28, 753945), (30, 703682), (35, 603156), (42, 502630), (60, 351841), (70, 301578), (84, 251315), (105, 201052), (140, 150789), (210, 100526), (420, 50263)]