21413134465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{60167}}^1$

素因数の和:60321

約数の個数: 32

約数和(自身を含む): 28071982080

約数和(自身を除く): 6658847615

約数列:

[1, 5, 17, 53, 79, 85, 265, 395, 901, 1343, 4187, 4505, 6715, 20935, 60167, 71179, 300835, 355895, 1022839, 3188851, 4753193, 5114195, 15944255, 23765965, 54210467, 80804281, 251919229, 271052335, 404021405, 1259596145, 4282626893, 21413134465]

約数ペア:

[(1, 21413134465), (5, 4282626893), (17, 1259596145), (53, 404021405), (79, 271052335), (85, 251919229), (265, 80804281), (395, 54210467), (901, 23765965), (1343, 15944255), (4187, 5114195), (4505, 4753193), (6715, 3188851), (20935, 1022839), (60167, 355895), (71179, 300835)]