21569702

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 44212392

約数和(自身を除く): 22642690

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 107, 119, 121, 154, 187, 214, 238, 242, 374, 539, 749, 833, 847, 1078, 1177, 1309, 1498, 1666, 1694, 1819, 2057, 2354, 2618, 3638, 4114, 5243, 5929, 8239, 9163, 10486, 11858, 12733, 12947, 14399, 16478, 18326, 20009, 25466, 25894, 28798, 40018, 57673, 89131, 90629, 100793, 115346, 140063, 178262, 181258, 201586, 220099, 280126, 440198, 634403, 980441, 1268806, 1540693, 1960882, 3081386, 10784851, 21569702]

約数ペア:

[(1, 21569702), (2, 10784851), (7, 3081386), (11, 1960882), (14, 1540693), (17, 1268806), (22, 980441), (34, 634403), (49, 440198), (77, 280126), (98, 220099), (107, 201586), (119, 181258), (121, 178262), (154, 140063), (187, 115346), (214, 100793), (238, 90629), (242, 89131), (374, 57673), (539, 40018), (749, 28798), (833, 25894), (847, 25466), (1078, 20009), (1177, 18326), (1309, 16478), (1498, 14399), (1666, 12947), (1694, 12733), (1819, 11858), (2057, 10486), (2354, 9163), (2618, 8239), (3638, 5929), (4114, 5243)]