21468468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 38860332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 812, 1218, 1259, 1421, 2436, 2518, 2842, 3777, 4263, 5036, 5684, 7554, 8526, 8813, 15108, 17052, 17626, 26439, 35252, 36511, 52878, 61691, 73022, 105756, 109533, 123382, 146044, 185073, 219066, 246764, 255577, 370146, 438132, 511154, 740292, 766731, 1022308, 1533462, 1789039, 3066924, 3578078, 5367117, 7156156, 10734234, 21468468]

約数ペア:

[(1, 21468468), (2, 10734234), (3, 7156156), (4, 5367117), (6, 3578078), (7, 3066924), (12, 1789039), (14, 1533462), (21, 1022308), (28, 766731), (29, 740292), (42, 511154), (49, 438132), (58, 370146), (84, 255577), (87, 246764), (98, 219066), (116, 185073), (147, 146044), (174, 123382), (196, 109533), (203, 105756), (294, 73022), (348, 61691), (406, 52878), (588, 36511), (609, 35252), (812, 26439), (1218, 17626), (1259, 17052), (1421, 15108), (2436, 8813), (2518, 8526), (2842, 7554), (3777, 5684), (4263, 5036)]