21963690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11621}}^1$

素因数の和:11644

約数の個数: 64

約数和(自身を含む): 66942720

約数和(自身を除く): 44979030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11621, 23242, 34863, 58105, 69726, 81347, 104589, 116210, 162694, 174315, 209178, 244041, 313767, 348630, 406735, 488082, 522945, 627534, 732123, 813470, 1045890, 1220205, 1464246, 1568835, 2196369, 2440410, 3137670, 3660615, 4392738, 7321230, 10981845, 21963690]

約数ペア:

[(1, 21963690), (2, 10981845), (3, 7321230), (5, 4392738), (6, 3660615), (7, 3137670), (9, 2440410), (10, 2196369), (14, 1568835), (15, 1464246), (18, 1220205), (21, 1045890), (27, 813470), (30, 732123), (35, 627534), (42, 522945), (45, 488082), (54, 406735), (63, 348630), (70, 313767), (90, 244041), (105, 209178), (126, 174315), (135, 162694), (189, 116210), (210, 104589), (270, 81347), (315, 69726), (378, 58105), (630, 34863), (945, 23242), (1890, 11621)]