21480942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 52706304

約数和(自身を除く): 31225362

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 37, 42, 46, 69, 74, 111, 138, 161, 222, 259, 322, 483, 518, 601, 777, 851, 966, 1202, 1554, 1702, 1803, 2553, 3606, 4207, 5106, 5957, 8414, 11914, 12621, 13823, 17871, 22237, 25242, 27646, 35742, 41469, 44474, 66711, 82938, 96761, 133422, 155659, 193522, 290283, 311318, 466977, 511451, 580566, 933954, 1022902, 1534353, 3068706, 3580157, 7160314, 10740471, 21480942]

約数ペア:

[(1, 21480942), (2, 10740471), (3, 7160314), (6, 3580157), (7, 3068706), (14, 1534353), (21, 1022902), (23, 933954), (37, 580566), (42, 511451), (46, 466977), (69, 311318), (74, 290283), (111, 193522), (138, 155659), (161, 133422), (222, 96761), (259, 82938), (322, 66711), (483, 44474), (518, 41469), (601, 35742), (777, 27646), (851, 25242), (966, 22237), (1202, 17871), (1554, 13823), (1702, 12621), (1803, 11914), (2553, 8414), (3606, 5957), (4207, 5106)]