21058410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 54058752

約数和(自身を除く): 33000342

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 157, 170, 255, 263, 314, 471, 510, 526, 785, 789, 942, 1315, 1570, 1578, 2355, 2630, 2669, 3945, 4471, 4710, 5338, 7890, 8007, 8942, 13345, 13413, 16014, 22355, 26690, 26826, 40035, 41291, 44710, 67065, 80070, 82582, 123873, 134130, 206455, 247746, 412910, 619365, 701947, 1238730, 1403894, 2105841, 3509735, 4211682, 7019470, 10529205, 21058410]

約数ペア:

[(1, 21058410), (2, 10529205), (3, 7019470), (5, 4211682), (6, 3509735), (10, 2105841), (15, 1403894), (17, 1238730), (30, 701947), (34, 619365), (51, 412910), (85, 247746), (102, 206455), (157, 134130), (170, 123873), (255, 82582), (263, 80070), (314, 67065), (471, 44710), (510, 41291), (526, 40035), (785, 26826), (789, 26690), (942, 22355), (1315, 16014), (1570, 13413), (1578, 13345), (2355, 8942), (2630, 8007), (2669, 7890), (3945, 5338), (4471, 4710)]