21934164

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{73}}^2$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 60513600

約数和(自身を除く): 38579436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 343, 438, 511, 588, 686, 876, 1022, 1029, 1372, 1533, 2044, 2058, 3066, 3577, 4116, 5329, 6132, 7154, 10658, 10731, 14308, 15987, 21316, 21462, 25039, 31974, 37303, 42924, 50078, 63948, 74606, 75117, 100156, 111909, 149212, 150234, 223818, 261121, 300468, 447636, 522242, 783363, 1044484, 1566726, 1827847, 3133452, 3655694, 5483541, 7311388, 10967082, 21934164]

約数ペア:

[(1, 21934164), (2, 10967082), (3, 7311388), (4, 5483541), (6, 3655694), (7, 3133452), (12, 1827847), (14, 1566726), (21, 1044484), (28, 783363), (42, 522242), (49, 447636), (73, 300468), (84, 261121), (98, 223818), (146, 150234), (147, 149212), (196, 111909), (219, 100156), (292, 75117), (294, 74606), (343, 63948), (438, 50078), (511, 42924), (588, 37303), (686, 31974), (876, 25039), (1022, 21462), (1029, 21316), (1372, 15987), (1533, 14308), (2044, 10731), (2058, 10658), (3066, 7154), (3577, 6132), (4116, 5329)]